grindle vs ganoid fish

grindle and ganoid fish both are nouns.

Word	Noun	Adjective	Verb	Adverb
grindle	Yes	No	No	No
ganoid fish	Yes	No	No	No

As nouns, ganoid fish is a hypernym of grindle; that is, ganoid fish is a word with a broader meaning than grindle:

grindle: primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America
ganoid fish: primitive fishes having thick bony scales with a shiny covering

Other hypernyms of grindle include ganoid.

grindle (noun)	ganoid fish (noun)
primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America	primitive fishes having thick bony scales with a shiny covering