Term: rough fish: any fish useless for food or sport or even as bait
Candidate hypernym: fish: any of various mostly cold-blooded aquatic vertebrates usually having scales and breathing through gills → 1
Candidate hypernym: freeboard deck: the uppermost watertight deck → 0
Candidate hypernym: bulrush: tall rush with soft erect or arching stems found in Eurasia, Australia, New Zealand, and common in North America → 0
Candidate hypernym: perch: any of numerous spiny-finned fishes of various families of the order Perciformes → 0
Candidate hypernym: coextension: equality of extension or duration → 0
Candidate hypernym: sliding scale: a wage scale that fluctuates in response to the cost-of-living index → 0
Candidate hypernym: babassu nut: hard-shelled nut of the babassu palm → 0
Candidate hypernym: whistle buoy: a buoy that makes a whistling noise → 0
Candidate hypernym: new world beaver: a variety of beaver found in almost all areas of North America except Florida → 0
Candidate hypernym: supernatant: the clear liquid that lies above a sediment or precipitate → 0
Candidate hypernym: theism: the doctrine or belief in the existence of a God or gods → 0