omental bursa vs bodily cavity

omental bursa and bodily cavity both are nouns.

Word	Noun	Adjective	Verb	Adverb
omental bursa	Yes	No	No	No
bodily cavity	Yes	No	No	No

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

omental bursa: an isolated part of the peritoneal cavity that is dorsal to the stomach
bodily cavity: (anatomy) a natural hollow or sinus within the body

Other hypernyms of omental bursa include cavity, cavum.

omental bursa (noun)	bodily cavity (noun)
an isolated part of the peritoneal cavity that is dorsal to the stomach	(anatomy) a natural hollow or sinus within the body