outfit vs tool kit

outfit and tool kit both are nouns.

Word	Noun	Adjective	Verb	Adverb
outfit	Yes	No	Yes	No
tool kit	Yes	No	No	No

As nouns, tool kit is a hyponym of outfit; that is, tool kit is a word with a more specific, narrower meaning than outfit:

outfit: gear consisting of a set of articles or tools for a specified purpose
tool kit: a set of carpenter's tools

Other hyponyms of outfit include carpenter's kit, first-aid kit, layette, mess kit, sewing kit.

outfit (noun)	tool kit (noun)
gear consisting of a set of articles or tools for a specified purpose	a set of carpenter's tools
a set of clothing (with accessories)
any cohesive unit such as a military company

outfit (verb)	tool kit (verb)
provide with (something) usually for a specific purpose