instant vs minute

instant and minute both are nouns.

Word	Noun	Adjective	Verb	Adverb
instant	Yes	Yes	No	No
minute	Yes	Yes	No	No

As nouns, instant and minute are synonyms defined as:

Other synonyms of instant include moment, second.

As nouns, minute is a hypernym of instant; that is, minute is a word with a broader meaning than instant:

instant: a very short time (as the time it takes the eye to blink or the heart to beat)
minute: an indefinitely short time

Other hypernyms of instant include bit, mo, moment, second.

instant (noun)	minute (noun)
a particular point in time	distance measured by the time taken to cover it
a very short time (as the time it takes the eye to blink or the heart to beat)	a short note
	a unit of angular distance equal to a 60th of a degree
	a unit of time equal to 60 seconds or 1/60th of an hour
	an indefinitely short time
	a particular point in time

instant (adjective)	minute (adjective)
occurring with no delay	characterized by painstaking care and detailed examination
demanding attention	infinitely or immeasurably small
in or of the present month