lionfish vs scorpaenid

lionfish and scorpaenid both are nouns.

Word	Noun	Adjective	Verb	Adverb
lionfish	Yes	No	No	No
scorpaenid	Yes	No	No	No

As nouns, scorpaenid is a hypernym of lionfish; that is, scorpaenid is a word with a broader meaning than lionfish:

lionfish: brightly striped fish of the tropical Pacific having elongated spiny fins
scorpaenid: any of numerous carnivorous usually bottom-dwelling warm-water marine fishes found worldwide but most abundant in the Pacific

Other hypernyms of lionfish include scorpaenid fish.

lionfish (noun)	scorpaenid (noun)
brightly striped fish of the tropical Pacific having elongated spiny fins	any of numerous carnivorous usually bottom-dwelling warm-water marine fishes found worldwide but most abundant in the Pacific