axillary cavity vs cavity

axillary cavity and cavity both are nouns.

Word	Noun	Adjective	Verb	Adverb
axillary cavity	Yes	No	No	No
cavity	Yes	No	No	No

As nouns, cavity is a hypernym of axillary cavity; that is, cavity is a word with a broader meaning than axillary cavity:

axillary cavity: the hollow under the arm where it is joined to the shoulder
cavity: (anatomy) a natural hollow or sinus within the body

Other hypernyms of axillary cavity include bodily cavity, cavum.

axillary cavity (noun)	cavity (noun)
the hollow under the arm where it is joined to the shoulder	(anatomy) a natural hollow or sinus within the body
	a sizeable hole (usually in the ground)
	soft decayed area in a tooth; progressive decay can lead to the death of a tooth
	space that is surrounded by something