stomach vs digest

stomach and digest both are nouns.

Word	Noun	Adjective	Verb	Adverb
stomach	Yes	No	Yes	No
digest	Yes	No	Yes	No

As verbs, stomach and digest are synonyms defined as:

Other synonyms of stomach include abide, bear, brook, endure, put up, stand, stick out, suffer, support, tolerate.

As verbs, digest is a hypernym of stomach; that is, digest is a word with a broader meaning than stomach:

stomach (noun)	digest (noun)
an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion	something that is compiled (as into a single book or file)
the region of the body of a vertebrate between the thorax and the pelvis	a periodical that summarizes the news
an appetite for food
an inclination or liking for things involving conflict or difficulty or unpleasantness

stomach (verb)	digest (verb)
put up with something or somebody unpleasant	make more concise
bear to eat	systematize, as by classifying and summarizing
	become assimilated into the body
	soften or disintegrate by means of chemical action, heat, or moisture
	soften or disintegrate, as by undergoing exposure to heat or moisture
	arrange and integrate in the mind
	put up with something or somebody unpleasant
	convert food into absorbable substances