feeler vs proffer

feeler and proffer both are nouns.

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

As nouns, proffer is a hypernym of feeler; that is, proffer is a word with a broader meaning than feeler:

Other hypernyms of feeler include proposition, suggestion.

feeler (noun)	proffer (noun)
one of a pair of mobile appendages on the head of e.g. insects and crustaceans; typically sensitive to touch and taste	a proposal offered for acceptance or rejection
slender tactile process on the jaws of a fish
sensitivity similar to that of a receptor organ
a tentative suggestion designed to elicit the reactions of others

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