Term: wall rue: small delicate spleenwort found on a steep slope (as a wall or cliff) of Eurasia and North America
Candidate hypernym: spleenwort: any of various chiefly rock-inhabiting ferns of the genus Asplenium → 1
Candidate hypernym: monobasic acid: an acid containing only one replaceable hydrogen atom per molecule → 0
Candidate hypernym: saxhorn: any of a family of brass wind instruments that resemble a bugle with valves → 0
Candidate hypernym: pilot bit: a small bit that drills a first hole to guide a larger drill → 0
Candidate hypernym: trestle: a supporting tower used to support a bridge → 0
Candidate hypernym: perturbation: activity that is a malfunction, intrusion, or interruption → 0
Candidate hypernym: swamp willow: North American shrubby willow having dark bark and linear leaves growing close to streams and lakes → 0
Candidate hypernym: cough: a sudden noisy expulsion of air from the lungs that clears the air passages; a common symptom of upper respiratory infection or bronchitis or pneumonia or tuberculosis → 0
Candidate hypernym: acceleration: an increase in rate of change → 0
Candidate hypernym: vittariaceae: one of a number of families into which Polypodiaceae has been subdivided in some classification systems: genus Vittaria → 0
Candidate hypernym: terrorist attack: a surprise attack involving the deliberate use of violence against civilians in the hope of attaining political or religious aims → 0