Burbot and Dogfish

Burbot noun - Elongate freshwater cod of northern Europe and Asia and North America having barbels around its mouth.

Dogfish and burbot are semantically related. In some cases you can use "Dogfish" instead a noun "Burbot".

Dogfish noun - Primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America.

Burbot and dogfish are semantically related. You can use "Burbot" instead a noun "Dogfish".