We found 13 dictionaries that define the word -tion:

General (11 matching dictionaries)

1. -tion: Oxford Learner's Dictionaries
2. -tion, -tion: Collins English Dictionary
3. -tion: Wiktionary
4. -tion: Webster's New World College Dictionary, 4th Ed.
5. -tion: The Wordsmyth English Dictionary-Thesaurus
6. -tion: Infoplease Dictionary
7. -tion: Dictionary.com
8. -tion: Online Etymology Dictionary
9. -tion: MyWord.info

Medicine (1 matching dictionary)

10. -tion: Medical dictionary

Miscellaneous (1 matching dictionary)

11. Glossary of Unusual Sexual Practices (No longer online)

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