cod vs lead astray

cod is a noun but lead astray is not a noun.

Word	Noun	Adjective	Verb	Adverb
cod	Yes	Yes	Yes	No
lead astray	No	No	Yes	No

As verbs, lead astray is a hypernym of cod; that is, lead astray is a word with a broader meaning than cod:

Other hypernyms of cod include betray, deceive.

cod (noun)	lead astray (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)

cod (adjective)	lead astray (adjective)
payable by the recipient on delivery

cod (verb)	lead astray (verb)
harass with persistent criticism or carping	cause someone to believe an untruth
fool or hoax	lead someone in the wrong direction or give someone wrong directions
	teach immoral behavior to