vehicular vs vehicle

vehicular is not a noun while vehicle is a noun.

Word	Noun	Adjective	Verb	Adverb
vehicular	No	Yes	No	No
vehicle	Yes	No	No	No

vehicular (noun)	vehicle (noun)
	a conveyance that transports people or objects
	a medium for the expression or achievement of something
	any inanimate object (as a towel or money or clothing or dishes or books or toys etc.) that can transmit infectious agents from one person to another
	any substance that facilitates the use of a drug or pigment or other material that is mixed with it

vehicular (adjective)	vehicle (adjective)
of or relating to or intended for (motor) vehicles