kit vs layette

kit and layette both are nouns.

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

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

kit: gear consisting of a set of articles or tools for a specified purpose
layette: kit consisting of a complete outfit (clothing and accessories) for a new baby

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

kit (noun)	layette (noun)
young of any of various fur-bearing animals	kit consisting of a complete outfit (clothing and accessories) for a new baby
gear consisting of a set of articles or tools for a specified purpose
a case for containing a set of articles

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