Term: mortarboard: an academic cap with a flat square with a tassel on top
Candidate hypernym: cap: a tight-fitting headdress → 1
Candidate hypernym: bur marigold: any of several plants of the genus Bidens having yellow flowers and prickly fruits that cling to fur and clothing → 0
Candidate hypernym: physics: the physical properties, phenomena, and laws of something → 0
Candidate hypernym: disk: something with a round shape resembling a flat circular plate → 0
Candidate hypernym: amphibian: a flat-bottomed motor vehicle that can travel on land or water → 0
Candidate hypernym: topsail: a sail (or either of a pair of sails) immediately above the lowermost sail of a mast and supported by a topmast → 0
Candidate hypernym: carpet: a natural object that resembles or suggests a carpet → 0
Candidate hypernym: zygocactus: small genus of Brazilian cacti having flat fleshy usually branched joints and showy red or pink flowers followed by red fleshy fruits → 0
Candidate hypernym: easter card: a card expressing an Easter greeting → 0
Candidate hypernym: quotability: the quality of being worthy of being quoted → 0
Candidate hypernym: mess of pottage: anything of trivial value → 0