Term: tufa: a soft porous rock consisting of calcium carbonate deposited from springs rich in lime
Candidate hypernym: rock: material consisting of the aggregate of minerals like those making up the Earth's crust → 1
Candidate hypernym: wave: a movement like that of a sudden occurrence or increase in a specified phenomenon → 0
Candidate hypernym: immoderation: the quality of being excessive and lacking in moderation → 0
Candidate hypernym: tropical prawn: edible tropical and warm-water prawn → 0
Candidate hypernym: malodor: a distinctive odor that is offensively unpleasant → 0
Candidate hypernym: conscientiousness: the quality of being in accord with the dictates of conscience → 0
Candidate hypernym: hackney: a carriage for hire → 0
Candidate hypernym: discouragement: the act of discouraging → 0
Candidate hypernym: ebola virus: a filovirus that causes Ebola hemorrhagic fever; carried by animals; can be used as a bioweapon → 0
Candidate hypernym: depressive: someone suffering psychological depression → 0
Candidate hypernym: metamorphosis: the marked and rapid transformation of a larva into an adult that occurs in some animals → 0