blinking vs reflex

blinking and reflex both are nouns.

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

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

blinking (noun)	reflex (noun)
a reflex that closes and opens the eyes rapidly	an automatic instinctive unlearned reaction to a stimulus

blinking (adjective)	reflex (adjective)
closing the eyes intermittently and rapidly	without volition or conscious control
informal intensifiers