decoy vs lure

decoy and lure both are nouns.

Word	Noun	Adjective	Verb	Adverb
decoy	Yes	No	Yes	No
lure	Yes	No	Yes	No

As nouns, decoy and lure are synonyms defined as:

decoy and lure: something used to lure fish or other animals into danger so they can be trapped or killed

Other synonyms of decoy include bait.

As verbs, lure is a hypernym of decoy; that is, lure is a word with a broader meaning than decoy:

decoy: lure or entrap with or as if with a decoy
lure: provoke someone to do something through (often false or exaggerated) promises or persuasion

Other hypernyms of decoy include entice, tempt.

decoy (noun)	lure (noun)
something used to lure fish or other animals into danger so they can be trapped or killed	something used to lure fish or other animals into danger so they can be trapped or killed
a beguiler who leads someone into danger (usually as part of a plot)	qualities that attract by seeming to promise some kind of reward
	anything that serves as an enticement

decoy (verb)	lure (verb)
lure or entrap with or as if with a decoy	provoke someone to do something through (often false or exaggerated) promises or persuasion