flying gurnard vs scorpaenoid

flying gurnard and scorpaenoid both are nouns.

Word	Noun	Adjective	Verb	Adverb
flying gurnard	Yes	No	No	No
scorpaenoid	Yes	No	No	No

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

flying gurnard: tropical fish with huge fanlike pectoral fins for underwater gliding; unrelated to searobins
scorpaenoid: fishes having the head armored with bony plates

Other hypernyms of flying gurnard include scorpaenoid fish.

flying gurnard (noun)	scorpaenoid (noun)
tropical fish with huge fanlike pectoral fins for underwater gliding; unrelated to searobins	fishes having the head armored with bony plates