dupe vs cod

dupe and cod both are nouns.

Word	Noun	Adjective	Verb	Adverb
dupe	Yes	No	Yes	No
cod	Yes	Yes	Yes	No

As verbs, dupe and cod are synonyms defined as:

Other synonyms of dupe include befool, fool, gull, put on, put one across, put one over, slang, take in.

dupe (noun)	cod (noun)
a person who is tricked or swindled	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)

dupe (adjective)	cod (adjective)
	payable by the recipient on delivery

dupe (verb)	cod (verb)
fool or hoax	harass with persistent criticism or carping
	fool or hoax