"But first of all," he said, "it is requisite that this worthy duenna and unworthy damsel should place their claim for justice in the hands of Don Quixote; for otherwise nothing can be done, nor can the said challenge be brought to a lawful issue."
— from Don Quixote by Miguel de Cervantes Saavedra

with DIS, IN, IR, UN, LESS Diarbed, a. unprogressive Diach, a. void of origin Diachles, a. unsuccoured Diachludd, a. unobscured Diachos, a. without cause Diachub, a. not to be saved Diachudd, a. unsecluded Diachwyn, a. uncomplaining Diadbryn, a. without redemption Diadchwaeth, a. void of relish Diadeg, a. inopportune Diadflas, a. without relish Diadfyd, a. unafflicted, unvexed Diadgas, a. not disagreeable Diadgof, a. void of recollection Diadlais, a. void of resonance Diadlam, a. not to be repassed Diadlif, a. without a reflux Diadnabod, a. unrecognized Diadnair, a. reproachless Diadran, a. undivided Diadred, a. void of recurrence Diadrwym, a. unrestricted Diadwedd, a. void of retrospect Diadwerth, a. undepreciated Diadwyth, a. innoxious Diaddurn, a. unadorned Diadwyn, a. unkind; indecent Diaddysg, a. learned Diael, a. without a brow Diaelod, a. without a limb Diaeth, a. without pain Diafael, a. without a hold Diafiach, a. undiseased Diafl, n. the devil Diafles, a. void of advantage Diaflwydd, a. void of misfortune Diaflym, a. not blunt Diafrad, a. without waste Diafrwydd, a. unobstructed Diagor, a. without opening Diagwedd, a. void of method Diangeu, a. deathless Diangiad, n. an escape Diangol, a. escaping Dianc, n. escape, retreat; v. to escape, to avoid Diaid, a. void of zeal Diail, a. unequalled Diailenedig, a. unregenerated Dial, n. vengeance, revenge: v. to avenge; to revenge Dialaeth, a. void of sorrow Dialar, a. not mourning Dialbren, n. a gallows Dialedd, n. vengeance Dialeddgar, a. vengeful, vindictive Dialeddiad, n. an avenging Dialeddol, a. avenging Dialeddu, v. to avenge Dialfawr, Dialgar, a. revengeful Dialiad, n. a revenging Dialu, v. to revenge Dialw, a. uncalled, unnamed Dialydd, n. an avenger Dialyddiaeth, n. vengeance Diallu, a. unable, impotent Diamcan, a. void of design Diamdlawd, a. not necessitous Diamddiffyn, a. defenceless Diamgeledd, a. succourless Diamgelog, a. uncircumspect Diamgen, a. not otherwise Diamgudd, a. not enveloped Diamgyffred, void of comprehension Diamgylch, unsurrounded Diamhafal, a. incomparable Diaml, a. unfrequent Diamlwg, a. obscure Diammhau, a. doubtless Diammheuaeth, n. certainty Diammhëus,
— from A Pocket Dictionary: Welsh-English by William Richards

She was distracted and uncertain, deciding and doing things without an aim or conclusion, and she had not the slightest conception of how the whole difficulty would end.
— from Sister Carrie: A Novel by Theodore Dreiser

with UN Disail, a. without foundation Disalw, a. not vile, undebased Disar, a. without offence Disathr, v. untrodden Discar, a. unloved, inamiable Discloff, a. not lame Discudd, a. uncovered Discyfrith, a. uncongenial Discyn, v. to descend, to alight Discynfa, n. place of descent Discyniad, n. a descending Discynol, a. descending Disefyd, a. sudden Disefydlog, a. unstationary Disefydlu, a. to rid of stability Disegur, a. without leisure Diseibiant, a. unindulged Diserch, a. without fondness Diserfyll, a. not tottering Diserth, a. not declivous Diseuthyg, a. not abortive Disgwall, a. without defection Disgwrth, a. without resistance Disgyr, a. without impulse Disiarad, a. tacit, without talk Disigl, a. firm, unshaken Disiomi, v. to undeceive Disiomant, n. indeception Disliw, a. colourless; pale Diso, adv. beneath, below Disodli, v. to trip heels Disoddi, v. to cease sinking Dison, a. without noise, silent Disoniarus, a. unsonorous Disorod, a. pure Disorodi, v. to clear of dross Disothach, a. clear of refuse Dispar, a. without parity; odd Disporth, a. without support Disprofi, v. to disprove Dispur, a. impure, unclean Dispwyll, a. crazy, distracted Dist, n. joist in a floor Distadl, a. object, worthless Distadledd, n. worthlessness Disudd, a. juiceless, sapless Disug, a. juiceless Disut, a. out of order; unwell Disŵn, a. without noise Diswrth, a. not sluggish Diswta, a. not sudden Diswydd, a. without office Diswyn, a. without charm Disyched, a. without thirst Disychedu, v. to allay thirst Disyflyd, a. without motion Disyfyd, a. unstaying: sudden Disylw, a. heedless, inadvertent Disylwedd, a. unsubstantial Disylweddu, v. to unsubtiantiate Disymud, a. immoveable Disymudedd, n. immobility Disymwth, a. sudden, abrupt Disyndod, a. without surprise Disynwyr, a. foolish, senseless Ditiad, n. an uttering Ditian, v. to speak, to say Ditio, v. to utter or express Diunion, a. undoubted Diurddas, a. without dignity Diurddiad, n. degradation Diw, n. entireness: a. total Diwad, a. without denial Diwadnu, v. to trip up heels Diwaddod, a. without dregs Diwaddodi, v. to defecate Diwaddoli, v. to disendow Diwael, a. not vile or base Diwaelod, a. bottomless Diwaelodi, v. to clear of lees Diwag, a. not empty or vague Diwagedd, a. without vanity Diwahan, a. indiscriminate Diwahardd, a. unforbidden Diwahodd, a. uninvited Diwair, a. unimparting; continent, chaste; faithful Diwaith, a. without work Diwala, a. unsatisfied, not full Diwall, a. not lacking Diwalliad, n. a satiating Diwallt, a. hairless, bald Diwallu, v. to provide; to satiate; to divest of want Diwarafun, a. unbegrudged Diware, a. without play Diwarogaeth, n. emancipation Diwarogi, v. to emancipate Diwarth, a. reproachless Diwarthaf, a. without superior Diwarthâu, v. to uncover Diwarthrudd, a. reproachless Diwarthu, v. to clear of reproach Diwarthus, a. unreproachful Diwasanaeth, a. unserviceable Diwasgar, a. undispersed Diwasgod, a. without shelter Diwasgodi, v. to unshelter Diwatwar, a. without mockery Diwedydd, n. the evening; the end of the day Diwedd, n. end conclusion Diweddaf, a. last, latest Diweddar, a. tardy, slow; late Diweddarâu, v. to make late Diweddaru, v. to become late Diweddarwch, n. lateness Diweddglo, n. conclusion Diweddiad, n. ending Diweddol, a. conclusive Diweddu, v. to end, to conclude Diweddwr, n. a finisher Diwegi, a. without vanity Diweirdeb, n. continence Diweirin, a. continent, chaset Diweithred, a. without deeds Diwellâu, v. to cease mending Diwellig, a. not apt to fail Diwellt, a. without grass Diwen, a. without smiling Diweniaeth, a. without flattery Diwenwyn, a. not venomous Diwerth, a. worthless Diwes, a. immediate Diwest, a. visitless, unvisited Diwestl, a. without confusion Diwesu, v. to approximate Diwg, a. not frowning Diwir, a. without truth Diwisg, a. without covering Diwladaidd, a. not rustic Diwlith, a. dewless Diwlydd, a. without vegetation Diwni, a. seamless Diwobrwg, a. rewardless Diwosgo, a. without flinching Diwosgryn, a. without trembling Diwraidd, a. without root Diwregysu, v. to ungirdle Diwreiddiad, n. eradication Diwreiddio, v. to eradicate Diwres, a. without heat Diwrnod, n. a day Diwrnodol, a. diurnal Diwrnodio, v. to do a day’s work Diwrtaith, a. unameliorated Diwrth, a. without opposition Diwrthdro, a. without reverting Diwrtndyn, without contention Diwrthddadl, a. without controversy or dispute Diwrtheb, a. uncontradicted Diwrthladd, a. unrepugnant Diwrthlam, without recurrence Diwrthryn, a. without resistance Diwrthwyneb, a. unopposed Diwrthymdrech, a. irresistible Diwryg, a. feeble, infirm Diwrym, a. seamless Diwybod, a. unknowing Diwyd, a. adherence; assiduous, diligent Diwydiaeth, n. assiduity Diwydio, v. to be diligent Diwydrwydd, n. diligence Diwyg, n. a repaired state: a. not vitiated Diwygiad, n. reformation Dwygiadwy, a. reformable Diwygio, to amend, to reform Diwygol, a. corrective Diwygiwr, n. reformer Diwyl, a. unbashful, impudent Diwyledd, n. impudence Diwyll, n. clearance; culture Diwylliad, n. cultivation Diwylliant, n. culture, worship Diwyllio, v. to cultivate Diwyliodraeth, n. cultivation Diwyn, a. not white or fair Diwyniad, n. a dirtying Diwyno, v. to dirty Diwyr, a. not oblique, straight Diwyth, a. without wrath Diymadferth, a. inactive Diymanerch, a. ungreeted Diymarbed, a. unabstemious Diymarbod, a. unprepared Diymarfer, a. unaccustomed Diymattal, a. unrestrained Diymchwiliad, a. uninquisitive Diymdaro, a. unable to strive Diymdro, a. inflexible Diymddiffyn, a. defenceless Diymddiried, a. unconfiding Diymgais, a. void of exertion Diymgel, a. unsecluding Diymgeledd, a. uncherished Diymgudd, a. unsecluded Diymgyrch, a. unapproached Diymmod, a. steadfast Diymogel, a. unguarded Diymoralw, a. uninquisitive Diymosgryn, a. unable to crawl Diymryson, a. without dispute Diymroad, a. unresolved Diymsyniad, a. insensible Diymwad, a. undeniable Diymwared,
— from A Pocket Dictionary: Welsh-English by William Richards

a. unsuspecting Diammod, a. unconditional Diammynedd, a. impatient Diamrafael, a. uncontentious Diamrosgo, a. not unwieldy Diamryfus, a. not excessive Diamryson, a. void of strife Diamwedd, a. incongruous Diamwel, a. uncircumspect Diamwes, a. void of enjoyment Diamwys, n. unequivocal Dianadl, a. breathless Dianaf, a. without defect Dianair, a. reproachless Dianerch, a. ungreeted Dianfodd, a. not unwilling Dianfon, a. without mission Dianfwyn, a. not unkind Dianffawd, without misfortune Dianhap, a. without mischance Dianhardd, a. not unlovely Dianhwyl, a. undisordered Dianial, a. not overgrown Dianian, a. unnatural Diannedd, a. without dwelling Diannel, a. aimless Diannod, a. instantaneous Diannog, a. unexited Diannwyd, a. unchilled Dianrheg, a. giftless Dianrhydedd, without honour Diantur, a. without enterprise Dianudon, a. not perjured Dianwadal, a. unwavering Diaraf, a. not dilatory or slow Diaraul, a. inclement Diarbed, a. unsparing Diarchenad, a. unclothed Diarcholl, a. without wound Diarchwaeth, a. tasteless Diarddel, v. to expel: a. claimless Diareb, a. proverb Diarebol, a. proverbial Diarebu, v. to use adages Diarebydd, n. proverbialist Diarf, a. unarmed Diarfaeth, a. void of purpose Diarfer, a. unusual Diarfod, a. inopportune Diarffoidd, a. out of the way Diargae, a. without obstacle Diargel, a. undisguised Diargraff, a. unprinted Diarloes, a. exhaustless Diarludd, a. unobstructed
— from A Pocket Dictionary: Welsh-English by William Richards

enough Digonedd, n. abundance Digoni, v. to suffice, to satisfy Digoniant, n. prevalency Digonoi, a. sufficient; sated Digonoldeb, n. abundance Digonoli, v. to satiate Digor, n. habit; passion Digorffori, v. to disembody Digosp, a. unpunished Digost, a. without expense Digraff, a. not keen Digraid, a. impassionate Digrain, n. error: a wandering Digrawn, a. unaccumulated Digred, a. unbelieving, infidel Digreulon, a. not cruel Digribddail, a. without extortion Digrif, a. amusing, jocose Digrifâu, v. to amuse, to please Digrifedd, n. pleasantry Digrifwch, n. amusement Digrintach, a. not miserly Digroen, a. having no skin Digroniad, a. unbounded Digrybwyll, a. not alluded to Digrych, a. unwrinkled Digryn, a. without trembling Digryno, a. incompact, untidy Digu, a. not affectionate Digudd, a. unconcealed Digus, a. displeasing Digwl, a. blameless, faultless Digwsg, a. sleepless Digwydd, a. without lapse Digydwybod, a. unconscionable Digyfaill, a. friendless Digyfanedd, a. not domestic Digyfarwydd, a uninformed Digyfieuo, v. to disjoin Digyfludd, a. unimpeded Digyfnerth, a. helpless Digyfnewid, a. unchangeable Digyfoeth, a without wealth Digyfraid, wanting necessaries Digyfraith, a. lawless Digyfran, a. unparticipated Digyfrif, a. of no account Digyfrwng, a. not intervening Digyfrwydd, a. unpropitious Digyfwng, a. close, immediate Digyfyng, a. unconfined Digyffelyb, a. dissimilar, unparallelled Digyffro, a. undisturbed Digyngor, a. void of council Digyngwedd, a. unassimilating Digyngyd, a. inconsiderate Digymal, a. jointless Digymeriad, a. of no estimation Digymhar, a. matchless Digymhell, a. unconstrained Digymhorth, a. helpless Digymhwyll, a. irrational Digymwl, a. cloudless Digymysg, a. uncompounded Digynaliaeth, a. without support or maintenance Digynedd, a. without virtue Digynhen, a. not discordant Digynhwrf, a. unagitated Digyniwair
— from A Pocket Dictionary: Welsh-English by William Richards

Wenn der Gedrückte nirgends Recht kann finden, Wenn unerträglich wird die Last greift er Hinauf getrosten Muthes in den Himmel Und holt herunter seine ew’gen Rechte, Die droben hangen unveräusserlich Und unzerbrechlich, wie die Sterne selbst— Der alte Urstand der Natur kehrt wieder, Wo Mensch dem Menschen gegenüber steht— Zum letzten Mittel, wenn kein andres mehr Verfangen will, ist ihm das Schwert gegeben.”
— from Perpetual Peace: A Philosophical Essay by Immanuel Kant

n. certainty Diewyllys, a. intestate Dif, n. a cast off, ejection Difa, n. extermination Difâd, n. an exterminating: a. destitute of good Difaddeu, a. without remission Difael, a. profitless Difaeth, a. without nourishment Difai, a. blameless, faultless Difalch, a. void of pride Difam, a. motherless Difan, a. spotless, unspotted Difancoll, a. total loss Difaniad, n. a vanishing Difant, n. a vanished state Difanu, v. to vanish Difanw, a. evanescent Difanwl, a. not exact Difar, a without wrath Difarf, a. beardless, shaved Difariaeth, a. without mischief Difarn, a. void of judgement Difarw, a. deathless, immortal Difas, a. not shallow Difaswedd, a. without levity Difechni, a. not having bail Difedydd, a. unbaptized Difeddiant, a. unpossessed Difeddw, a. sober Difefl, a. void of reproach Difeio, v. to exculpate Difeiriad, n. a repenting Difenwad, n. a contemning Difenwi, v. to contemn Difenwyd, a. unblest; joyless Difesur, a. immeasurable Difeth, a. infallible, certain Difiad, n. annoyance Difilain, a. not ferocious Difin, a. edgeless Difio, v. to fling; to annoy Difiog, a. annoying; wild Diflaen, a. without point Diflaen, n. beard of a dart: a. without a point Diflan, a. without lusture; fading Diflanedigaeth, n. disappearance Diflaniad, n. a vanishing Diflanol, a. evanescent Diflant, n. evanescence Diflanu, v. to vanish away Diflas, a. tasteless; disgusting Diflasdod, n. disgust, insipidity Diflasiad, n. a disgusting Diflasu, v. to disgust; to become disgusted Diflin, a. not tired, unwearied Diflisg, without shell; unpeeled Diflodau, a. destitute of flowers Diflwng, a. not sullen Difoes, a. void of manners Difoiwyno, v. to constuperate Difr, n. a cast; a metre Difrad, a. not treacherous Difradw, a not defective Difraint, a. not privileged Difraisg, a. not bulky or large Difrau, a. not fragile or brittle Difraw, a. fearless; careless Difrawd, n. dispersion; waste; devastation Difrawu, v. to grow careless Difrawwch, n. unconcern Difreg, a. of frailty Defreinio, v. to disfranchise Difri, a. undignified, ignoble Difrif, a. serious, sedate Difrig, a. not having tops Difrisg, a. trackless Difro, a. exile: n. an exile Difrodaeth, n. extravagance Difrodi, v. to make havoc Difrodiad, n. a washing Difrwysg, a. not inebriated Difrycheulyd, a. immaculate Difryd, having no mind; listless Difrydaeth, n. inattention Difrys, a. not in haste Difryw, a. not luxuriant Difuchedd, a. immoral Difudd, a. gainless, not profitable Difurn, a. free from evil design Difwng, a. unwavering Difwlch, a. breachless Difwriad, a. undesigned Difwrw, a. improvident Difwyn, a. unenjoyed Difydr, a. without meter Difyfyr, a. uncontemplated Difygwth, a. void of threatening Difyngiad, a. void of stammering Difyn, n. a fragment Difyniad, n. a cutting to pieces Difynio, v. to carve, to mince Difyr, a. diverting, amusing Difyredigaeth, n. amusement Difyrgar, a. tending to divert Difyriad, n. a diverting Difyru, v. to divert, to amuse Difyrus, a. divertive; amusing Difyrwch, n. diversion, play Difysgu, v. to unmix, to separate Difyw, a. lifeless, inanimate Diffaeth, n. a wilderness; an outcast; a waif: a. unfruitful, barren, foul Diffawd, n. a misfortune: a. unfortunate, luckless Diffeithder, n. foulness Diffeithfa, n. foul ground Diffiethiad, n. a laying waste Diffeithio, v. to lay waste Diffeithwch, n. a wilderness Differ, n. defence, guard Differiol, a. defensive Differu, v. to defend, to guard Differyd, v. to defend, to ward Difflais, a. not ravaged Diffodd, n. what is extinct; v. to extinguish Diffoddi, v. to extinguish Diffoddiad, n. extinction Diffordd, a. pathless Diffred, v. to protect Diffrediad, n. protection Diffreidiad, n. a protector Diffreidio, v. to protect Diffreidiog, n. a guardian Diffrwyn, a unbridled Diffrwyth, a. fruitless; feeble Diffrwytho, v. to make abortive Diffryd, v. to protect Diffuant, a. unfeigned Diffur, a. without perception Diffwyn, n. defence, guard Diffwys, n. a precipice Diffydd, a. faithless, infidel Diffyg, n. defect, failure.
— from A Pocket Dictionary: Welsh-English by William Richards

And, in one case at least, a mutilated woman was left unburied to be eaten by dogs,—and would have been completely devoured, had not one of our Teachers come on the scene next day, and, unaided, dug a grave and buried her."
— from The Story of John G. Paton; Or, Thirty Years Among South Sea Cannibals by John Gibson Paton

Augustus Adolphus Dodger, as usual, did yeoman's service for those who employed him, and prostituted his really fine speaking talent to the base purposes of giving impetus to a cause that every year—in England and America—is sending over a hundred and fifty thousand human beings to drunkards' graves and to a drunkard's eternity, and which is costing civilized Christendom every year over a thousand million of dollars.
— from From Wealth to Poverty; Or, the Tricks of the Traffic. A Story of the Drink Curse by Austin Potter

"Well, it depresses me to see that dolls' house all disused and upside down and no good any more.
— from Sinister Street, vol. 1 by Compton MacKenzie

But devotion and unselfishness do not include wisdom.
— from The Undercurrent by Robert Grant

These assume different aspects under different conditions of illumination, and it is only when the floor is lighted by a comparatively low morning sun, that their true character is apparent.
— from The Moon: A Full Description and Map of its Principal Physical Features by Thomas Gwyn Elger

“Ueber d. Urogenitalsystem d. Amphioxus u. d. Cyclostomen.”
— from The Works of Francis Maitland Balfour, Volume 3 (of 4) A Treatise on Comparative Embryology: Vertebrata by Francis M. (Francis Maitland) Balfour

This ruse of the defenceless woman has passed into a proverb; and has become so familiar that we forget, perhaps, how true a parable it is of those who, in their weakness, do and undo daily what they would fain never do at all, trifling and procrastinating with tyrannous passions which they are unable to expel from the palace of their souls.
— from Studies of the Greek Poets (Vol 1 of 2) by John Addington Symonds

But, from the day when Diomed and Ulysses dared, having bloody hands, to snatch her image from her holy place in Troy, her face was turned from us.
— from Stories of the Old World by Alfred John Church