kid vs fool

kid and fool both are nouns.

Word	Noun	Adjective	Verb	Adverb
kid	Yes	No	Yes	No
fool	Yes	No	Yes	No

As verbs, fool is a hypernym of kid; that is, fool is a word with a broader meaning than kid:

Other hypernyms of kid include befool, cod, dupe, gull, put on, put one across, put one over, slang, take in.

kid (noun)	fool (noun)
young goat	a person who lacks good judgment
a young person of either sex	a person who is gullible and easy to take advantage of
a human offspring (son or daughter) of any age	a professional clown employed to entertain a king or nobleman in the Middle Ages
soft smooth leather from the hide of a young goat

kid (verb)	fool (verb)
be silly or tease one another	indulge in horseplay
tell false information to for fun	fool or hoax
	spend frivolously and unwisely
	make a fool or dupe of