flinch vs quail

flinch and quail both are nouns.

Word	Noun	Adjective	Verb	Adverb
flinch	Yes	No	Yes	No
quail	Yes	No	Yes	No

As verbs, flinch and quail are synonyms defined as:

Other synonyms of flinch include cringe, funk, recoil, shrink, squinch, wince.

flinch (noun)	quail (noun)
a reflex response to sudden pain	small gallinaceous game birds
	flesh of quail; suitable for roasting or broiling if young; otherwise must be braised

flinch (verb)	quail (verb)
draw back, as with fear or pain	draw back, as with fear or pain