coelom vs cavum

coelom and cavum both are nouns.

Word	Noun	Adjective	Verb	Adverb
coelom	Yes	No	No	No
cavum	Yes	No	No	No

As nouns, cavum is a hypernym of coelom; that is, cavum is a word with a broader meaning than coelom:

coelom: a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity
cavum: (anatomy) a natural hollow or sinus within the body

Other hypernyms of coelom include bodily cavity, cavity.

coelom (noun)	cavum (noun)
a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity	(anatomy) a natural hollow or sinus within the body