Possible misspelling? More dictionaries have definitions for
anastasia
-- could that be what you meant?
a nearer approach showed that a slow insidious change
And yet a nearer approach showed that a slow insidious change had been taking place. — from Gabriel Conroy by Bret Harte
This tab, called Hiding in Plain Sight,
shows you passages from notable books where your word is accidentally (or perhaps deliberately?)
spelled out by the first letters of consecutive words.
Why would you care to know such a thing? It's not entirely clear to us, either, but
it's fun to explore! What's the longest hidden word you can find? Where is your name hiding?