angler fish vs allmouth

angler fish and allmouth both are nouns.

Word	Noun	Adjective	Verb	Adverb
angler fish	Yes	No	No	No
allmouth	Yes	No	No	No

As nouns, angler fish and allmouth are synonyms defined as:

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

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

angler fish (noun)	allmouth (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