pubic hair vs bush

pubic hair and bush both are nouns.

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

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

Other synonyms of pubic hair include crotch hair.

pubic hair (noun)	bush (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

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

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