Term: crank letter: a hostile (usually anonymous) letter
Candidate hypernym: text: the words of something written → 1
Candidate hypernym: receiver: the tennis player who receives the serve → 0
Candidate hypernym: plectognath: tropical marine fishes having the teeth fused into a beak and thick skin covered with bony plates or spines → 0
Candidate hypernym: accent: a diacritical mark used to indicate stress or placed above a vowel to indicate a special pronunciation → 0
Candidate hypernym: isoantibody: an antibody that occurs naturally against foreign tissues from a person of the same species → 0
Candidate hypernym: raver: a participant in a rave dancing party → 0
Candidate hypernym: sand spurry: prostrate weedy herb with tiny pink flowers; widespread throughout Europe and Asia on sand dunes and heath and coastal cliffs; naturalized in eastern North America → 0
Candidate hypernym: job: a workplace; as in the expression → 0
Candidate hypernym: promethium: a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium → 0
Candidate hypernym: literary composition: imaginative or creative writing → 0
Candidate hypernym: parsonage: an official residence provided by a church for its parson or vicar or rector → 0