labial stop vs stop consonant

labial stop and stop consonant both are nouns.

Word	Noun	Adjective	Verb	Adverb
labial stop	Yes	No	No	No
stop consonant	Yes	No	No	No

As nouns, stop consonant is a hypernym of labial stop; that is, stop consonant is a word with a broader meaning than labial stop:

labial stop: a stop consonant that is produced with the lips
stop consonant: a consonant produced by stopping the flow of air at some point and suddenly releasing it

Other hypernyms of labial stop include occlusive, plosive, plosive consonant, plosive speech sound, stop, labial, labial consonant.

labial stop (noun)	stop consonant (noun)
a stop consonant that is produced with the lips	a consonant produced by stopping the flow of air at some point and suddenly releasing it