bushing vs bush

bushing and bush both are nouns.

Word	Noun	Adjective	Verb	Adverb
bushing	Yes	No	No	No
bush	Yes	Yes	Yes	No

bushing (noun)	bush (noun)
a cylindrical metal lining used to reduce friction	hair growing in the pubic area
an insulating liner in an opening through which conductors pass	dense vegetation consisting of stunted trees or bushes
	a large wilderness area
	a low woody perennial plant usually having several major stems

bushing (adjective)	bush (adjective)
	not of the highest quality or sophistication

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