bush vs pubic hair

bush and pubic hair both are nouns.

Word	Noun	Adjective	Verb	Adverb
bush	Yes	Yes	Yes	No
pubic hair	Yes	No	No	No

As nouns, bush and pubic hair are synonyms defined as:

Other synonyms of bush include crotch hair.

bush (noun)	pubic hair (noun)
hair growing in the pubic area	hair growing in the pubic area
dense vegetation consisting of stunted trees or bushes
a large wilderness area
a low woody perennial plant usually having several major stems

bush (adjective)	pubic hair (adjective)
not of the highest quality or sophistication

bush (verb)	pubic hair (verb)
provide with a bushing