grindle vs dogfish

grindle and dogfish both are nouns.

Word	Noun	Adjective	Verb	Adverb
grindle	Yes	No	No	No
dogfish	Yes	No	No	No

As nouns, grindle and dogfish are synonyms defined as:

grindle and dogfish: primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America

Other synonyms of grindle include Amia calva, bowfin.

grindle (noun)	dogfish (noun)
primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America	any of several small sharks
	primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America