anglerfish vs angler

anglerfish and angler both are nouns.

Word	Noun	Adjective	Verb	Adverb
anglerfish	Yes	No	No	No
angler	Yes	No	No	No

As nouns, anglerfish and angler are synonyms defined as:

anglerfish and angler: fishes having large mouths with a wormlike filament attached for luring prey

Other synonyms of anglerfish include allmouth, angler fish, goosefish, Lophius Americanus, lotte, monkfish.

anglerfish (noun)	angler (noun)
fishes having large mouths with a wormlike filament attached for luring prey	fishes having large mouths with a wormlike filament attached for luring prey
	a fisherman who uses a hook and line
	a scheming person; someone who schemes to gain an advantage