bumper vs truck

bumper and truck both are nouns.

Word	Noun	Adjective	Verb	Adverb
bumper	Yes	No	No	No
truck	Yes	No	Yes	No

bumper (noun)	truck (noun)
a mechanical device consisting of bars at either end of a vehicle to absorb shock and prevent serious damage	an automotive vehicle suitable for hauling
a glass filled to the brim (especially as a toast)	a handcart that has a frame with two low wheels and a ledge at the bottom and handles at the top; used to move crates or other heavy objects

bumper (verb)	truck (verb)
	convey (goods etc.) by truck