volaille vs pullet

volaille and pullet both are nouns.

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

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

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

volaille (noun)	pullet (noun)
the flesh of a chicken used for food	young hen usually less than a year old
	flesh of a medium-sized young chicken suitable for frying