twinkle vs blink

twinkle and blink both are nouns.

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

As verbs, twinkle and blink are synonyms defined as:

Other synonyms of twinkle include flash, wink, winkle.

twinkle (noun)	blink (noun)
merriment expressed by a brightness or gleam or animation of countenance	a reflex that closes and opens the eyes rapidly
a rapid change in brightness; a brief spark or flash

twinkle (verb)	blink (verb)
gleam or glow intermittently	briefly shut the eyes
emit or reflect light in a flickering manner	keep back by blinking
	gleam or glow intermittently