lumpfish vs scorpaenoid

lumpfish and scorpaenoid both are nouns.

Word	Noun	Adjective	Verb	Adverb
lumpfish	Yes	No	No	No
scorpaenoid	Yes	No	No	No

As nouns, scorpaenoid is a hypernym of lumpfish; that is, scorpaenoid is a word with a broader meaning than lumpfish:

lumpfish: clumsy soft thick-bodied northern Atlantic fish with pelvic fins fused into a sucker; edible roe used for caviar
scorpaenoid: fishes having the head armored with bony plates

Other hypernyms of lumpfish include scorpaenoid fish.

lumpfish (noun)	scorpaenoid (noun)
clumsy soft thick-bodied northern Atlantic fish with pelvic fins fused into a sucker; edible roe used for caviar	fishes having the head armored with bony plates