decoy vs fish lure

decoy and fish lure both are nouns.

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

As nouns, fish lure is a hyponym of decoy; that is, fish lure is a word with a more specific, narrower meaning than decoy:

decoy: something used to lure fish or other animals into danger so they can be trapped or killed
fish lure: (angling) any bright artificial bait consisting of plastic or metal mounted with hooks and trimmed with feathers

Other hyponyms of decoy include chum, fisherman's lure, ground bait, stool pigeon.

decoy (noun)	fish lure (noun)
something used to lure fish or other animals into danger so they can be trapped or killed	(angling) any bright artificial bait consisting of plastic or metal mounted with hooks and trimmed with feathers
a beguiler who leads someone into danger (usually as part of a plot)

decoy (verb)	fish lure (verb)
lure or entrap with or as if with a decoy