stomach vs stand for

stomach is a noun but stand for is not a noun.

Word	Noun	Adjective	Verb	Adverb
stomach	Yes	No	Yes	No
stand for	No	No	Yes	No

As verbs, stand for is a hyponym of stomach; that is, stand for is a word with a more specific, narrower meaning than stomach:

stomach (noun)	stand for (noun)
an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion
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)	stand for (verb)
put up with something or somebody unpleasant	tolerate or bear
bear to eat	denote or connote
	express indirectly by an image, form, or model; be a symbol
	take the place of or be parallel or equivalent to