stomach vs abdominal cavity

stomach and abdominal cavity both are nouns.

Word	Noun	Adjective	Verb	Adverb
stomach	Yes	No	Yes	No
abdominal cavity	Yes	No	No	No

stomach (noun)	abdominal cavity (noun)
an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion	the cavity containing the major viscera; in mammals it is separated from the thorax by the diaphragm
the region of the body of a vertebrate between the thorax and the pelvis
an appetite for food
an inclination or liking for things involving conflict or difficulty or unpleasantness

stomach (verb)	abdominal cavity (verb)
put up with something or somebody unpleasant
bear to eat