kit up vs kit

kit up is not a noun while kit is a noun.

Word	Noun	Adjective	Verb	Adverb
kit up	No	No	Yes	No
kit	Yes	No	Yes	No

As verbs, kit up and kit are synonyms defined as:

Other synonyms of kit up include kit out.

kit up (noun)	kit (noun)
	young of any of various fur-bearing animals
	gear consisting of a set of articles or tools for a specified purpose
	a case for containing a set of articles

kit up (verb)	kit (verb)
supply with a set of articles or tools	supply with a set of articles or tools