blinking vs nictitation

blinking and nictitation both are nouns.

Word	Noun	Adjective	Verb	Adverb
blinking	Yes	Yes	No	No
nictitation	Yes	No	No	No

As nouns, blinking and nictitation are synonyms defined as:

blinking and nictitation: a reflex that closes and opens the eyes rapidly

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

blinking (noun)	nictitation (noun)
a reflex that closes and opens the eyes rapidly	a reflex that closes and opens the eyes rapidly

blinking (adjective)	nictitation (adjective)
closing the eyes intermittently and rapidly
informal intensifiers