overture vs suggestion

overture and suggestion both are nouns.

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

As nouns, suggestion is a hypernym of overture; that is, suggestion is a word with a broader meaning than overture:

Other hypernyms of overture include proffer, proposition.

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