volaille vs capon

volaille and capon both are nouns.

Word	Noun	Adjective	Verb	Adverb
volaille	Yes	No	No	No
capon	Yes	No	No	No

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

Other hyponyms of volaille include broiler, frier, fryer, pullet, roaster, spatchcock, hen.

volaille (noun)	capon (noun)
the flesh of a chicken used for food	castrated male chicken
	flesh of a castrated male chicken