pull the leg of vs cod

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

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

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

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

pull the leg of (noun)	cod (noun)
	major food fish of Arctic and cold-temperate waters
	lean white flesh of important North Atlantic food fish; usually baked or poached
	the vessel that contains the seeds of a plant (not the seeds themselves)

pull the leg of (adjective)	cod (adjective)
	payable by the recipient on delivery

pull the leg of (verb)	cod (verb)
tell false information to for fun	harass with persistent criticism or carping
	fool or hoax