proposition vs proffer

proposition and proffer both are nouns.

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

As nouns, proposition and proffer are synonyms defined as:

Other synonyms of proposition include suggestion.

proposition (noun)	proffer (noun)
a task to be dealt with	a proposal offered for acceptance or rejection
(logic) a statement that affirms or denies something and is either true or false
a proposal offered for acceptance or rejection
the act of making a proposal
an offer for a private bargain (especially a request for sexual favors)

proposition (verb)	proffer (verb)
suggest sex to	present for acceptance or rejection