blink vs wink

blink and wink both are nouns.

Word	Noun	Adjective	Verb	Adverb
blink	Yes	No	Yes	No
wink	Yes	No	Yes	No

As nouns, blink and wink are synonyms defined as:

Other synonyms of blink include blinking, eye blink, nictation, nictitation, winking.

As verbs, blink and wink are synonyms defined as:

Other synonyms of blink include nictate, nictitate.

As verbs, blink and wink are synonyms defined as:

Other synonyms of blink include blink away.

As verbs, blink and wink are synonyms defined as:

Other synonyms of blink include flash, twinkle, winkle.

blink (noun)	wink (noun)
a reflex that closes and opens the eyes rapidly	a reflex that closes and opens the eyes rapidly
	closing one eye quickly as a signal
	a very short time (as the time it takes the eye to blink or the heart to beat)

blink (verb)	wink (verb)
briefly shut the eyes	briefly shut the eyes
keep back by blinking	keep back by blinking
gleam or glow intermittently	signal by winking
	gleam or glow intermittently