proffer vs overture

proffer and overture both are nouns.

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

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

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

proffer (noun)	overture (noun)
a proposal offered for acceptance or rejection	a tentative suggestion designed to elicit the reactions of others
	orchestral music played at the beginning of an opera or oratorio
	something that serves as a preceding event or introduces what follows

proffer (verb)	overture (verb)
present for acceptance or rejection