clue vs hint

clue and hint both are nouns.

Word	Noun	Adjective	Verb	Adverb
clue	Yes	No	Yes	No
hint	Yes	No	Yes	No

As nouns, clue and hint are synonyms defined as:

clue (noun)	hint (noun)
a slight indication	an indirect suggestion
evidence that helps to solve a problem	a slight indication
	an indication of potential opportunity
	a slight but appreciable amount
	a just detectable amount

clue (verb)	hint (verb)
roll into a ball	drop a hint; intimate by a hint