THESAURUS
fink
bear witness against, betray, betrayer, blab, blabber, blabberer, blabbermouth, blackleg, blow the whistle, canary, delator, inform against, inform on, informer, narc, nark, peach, peacher, rat, scab, sell out, snitch, snitch on, snitcher, spy, squeal, squealer, stool, stool pigeon, stoolie, strikebreaker, talebearer, tattle, tattler, tattletale, tell on, telltale, testify against, tipster, turn informer, whistle-blower
ROGET THESAURUS
fink
Disclosure
N
disclosure, retection, unveiling, deterration, revealment, revelation, exposition, exposure, expose, whole truth, telltale, acknowledgment, avowal, confession, confessional, shrift, bursting of a bubble, denouement, tattletale, snitch,
fink, stool pigeon, canary, disclosed, open, public, Int, out with it!, the murder is out, a light breaks in upon one, the scales fall from one's eyes, the eyes are opened.