chamber vs bodily cavity

chamber and bodily cavity both are nouns.

Word	Noun	Adjective	Verb	Adverb
chamber	Yes	No	Yes	No
bodily cavity	Yes	No	No	No

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

Other hypernyms of chamber include cavity, cavum.

chamber (noun)	bodily cavity (noun)
a natural or artificial enclosed space	(anatomy) a natural hollow or sinus within the body
a room used primarily for sleeping
a room where a judge transacts business
an enclosed volume in the body
a deliberative or legislative or administrative or judicial assembly

chamber (verb)	bodily cavity (verb)
place in a chamber