pull the leg of vs fool

pull the leg of is not a noun while fool is a noun.

Word	Noun	Adjective	Verb	Adverb
pull the leg of	No	No	Yes	No
fool	Yes	No	Yes	No

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

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

pull the leg of (noun)	fool (noun)
	a person who lacks good judgment
	a person who is gullible and easy to take advantage of
	a professional clown employed to entertain a king or nobleman in the Middle Ages

pull the leg of (verb)	fool (verb)
tell false information to for fun	indulge in horseplay
	fool or hoax
	spend frivolously and unwisely
	make a fool or dupe of