searobin vs gurnard

searobin and gurnard both are nouns.

Word	Noun	Adjective	Verb	Adverb
searobin	Yes	No	No	No
gurnard	Yes	No	No	No

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

searobin: American gurnard; mostly found in bays and estuaries
gurnard: bottom-dwelling coastal fishes with spiny armored heads and fingerlike pectoral fins used for crawling along the sea bottom

searobin (noun)	gurnard (noun)
American gurnard; mostly found in bays and estuaries	bottom-dwelling coastal fishes with spiny armored heads and fingerlike pectoral fins used for crawling along the sea bottom