wink vs blink

wink and blink both are nouns.

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

As nouns, wink and blink are synonyms defined as:

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

As verbs, wink and blink are synonyms defined as:

Other synonyms of wink include nictate, nictitate.

As verbs, wink and blink are synonyms defined as:

Other synonyms of wink include blink away.

As verbs, wink and blink are synonyms defined as:

Other synonyms of wink include flash, twinkle, winkle.

wink (noun)	blink (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)

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