sport utility vehicle vs S.U.V.

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

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

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

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

Other synonyms of sport utility vehicle include sport utility, SUV.

sport utility vehicle (noun)	S.U.V. (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