tow truck vs tow car

tow truck and tow car both are nouns.

Word	Noun	Adjective	Verb	Adverb
tow truck	Yes	No	No	No
tow car	Yes	No	No	No

As nouns, tow truck and tow car are synonyms defined as:

tow truck and tow car: a truck equipped to hoist and pull wrecked cars (or to remove cars from no-parking zones)

Other synonyms of tow truck include wrecker.

tow truck (noun)	tow car (noun)
a truck equipped to hoist and pull wrecked cars (or to remove cars from no-parking zones)	a truck equipped to hoist and pull wrecked cars (or to remove cars from no-parking zones)