S.U.V. vs sport utility

S.U.V. and sport utility both are nouns.

Word	Noun	Adjective	Verb	Adverb
S.U.V.	Yes	No	No	No
sport utility	Yes	No	No	No

As nouns, S.U.V. and sport utility are synonyms defined as:

S.U.V. and sport utility: a high-performance four-wheel drive car built on a truck chassis

Other synonyms of S.U.V. include sport utility vehicle, SUV.

S.U.V. (noun)	sport utility (noun)
a high-performance four-wheel drive car built on a truck chassis	a high-performance four-wheel drive car built on a truck chassis