taxicab vs taxi

taxicab and taxi both are nouns.

Word	Noun	Adjective	Verb	Adverb
taxicab	Yes	No	No	No
taxi	Yes	No	Yes	No

As nouns, taxicab and taxi are synonyms defined as:

taxicab and taxi: a car driven by a person whose job is to take passengers where they want to go in exchange for money

Other synonyms of taxicab include cab, hack.

taxicab (noun)	taxi (noun)
a car driven by a person whose job is to take passengers where they want to go in exchange for money	a car driven by a person whose job is to take passengers where they want to go in exchange for money

taxicab (verb)	taxi (verb)
	ride in a taxicab
	travel slowly