palpebration vs blinking

palpebration and blinking both are nouns.

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

As nouns, blinking is a hypernym of palpebration; that is, blinking is a word with a broader meaning than palpebration:

palpebration: repeated blinking or winking (especially if uncontrolled and persistent)
blinking: a reflex that closes and opens the eyes rapidly

Other hypernyms of palpebration include blink, eye blink, nictation, nictitation, wink, winking.

palpebration (noun)	blinking (noun)
repeated blinking or winking (especially if uncontrolled and persistent)	a reflex that closes and opens the eyes rapidly

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