suggestion vs overture

suggestion and overture both are nouns.

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

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

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

suggestion (noun)	overture (noun)
the act of inducing hypnosis	a tentative suggestion designed to elicit the reactions of others
an idea that is suggested	orchestral music played at the beginning of an opera or oratorio
the sequential mental process in which one thought leads to another by association	something that serves as a preceding event or introduces what follows
a proposal offered for acceptance or rejection
persuasion formulated as a suggestion
a just detectable amount