poacher vs scorpaenoid

poacher and scorpaenoid both are nouns.

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

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

poacher: small slender fish (to 8 inches) with body covered by bony plates; chiefly of deeper northern Pacific waters
scorpaenoid: fishes having the head armored with bony plates

Other hypernyms of poacher include scorpaenoid fish.

poacher (noun)	scorpaenoid (noun)
small slender fish (to 8 inches) with body covered by bony plates; chiefly of deeper northern Pacific waters	fishes having the head armored with bony plates
a cooking vessel designed to poach food (such as fish or eggs)
someone who hunts or fishes illegally on the property of another