hint vs allude

hint is a noun but allude is not a noun.

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

As verbs, allude is a hyponym of hint; that is, allude is a word with a more specific, narrower meaning than hint:

Other hyponyms of hint include adumbrate, insinuate, intimate, clue in, advert, touch.

hint (noun)	allude (noun)
an indirect suggestion
a slight indication
an indication of potential opportunity
a slight but appreciable amount
a just detectable amount

hint (verb)	allude (verb)
drop a hint; intimate by a hint	make a more or less disguised reference to