suggestion vs feeler

suggestion and feeler both are nouns.

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

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

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

suggestion (noun)	feeler (noun)
the act of inducing hypnosis	one of a pair of mobile appendages on the head of e.g. insects and crustaceans; typically sensitive to touch and taste
an idea that is suggested	slender tactile process on the jaws of a fish
the sequential mental process in which one thought leads to another by association	sensitivity similar to that of a receptor organ
a proposal offered for acceptance or rejection	a tentative suggestion designed to elicit the reactions of others
persuasion formulated as a suggestion
a just detectable amount