suggestion vs hint

suggestion and hint both are nouns.

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

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

Other hyponyms of suggestion include breath, intimation, ghost, touch, trace, advance, approach, feeler, overture.

As nouns, suggestion and hint are synonyms defined as:

Other synonyms of suggestion include tint, trace.

suggestion (noun)	hint (noun)
the act of inducing hypnosis	an indirect suggestion
an idea that is suggested	a slight indication
the sequential mental process in which one thought leads to another by association	an indication of potential opportunity
a proposal offered for acceptance or rejection	a slight but appreciable amount
persuasion formulated as a suggestion	a just detectable amount
a just detectable amount

suggestion (verb)	hint (verb)
	drop a hint; intimate by a hint