labial stop vs labial consonant

labial stop and labial consonant both are nouns.

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

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

labial stop: a stop consonant that is produced with the lips
labial consonant: a consonant whose articulation involves movement of the lips

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

labial stop (noun)	labial consonant (noun)
a stop consonant that is produced with the lips	a consonant whose articulation involves movement of the lips