亜科[aka] subfamily
医科[ika] medical science
医科大学[ikadaigaku] medical school
家庭科[kateika] home economics
科名[kamei] family name

科する[kasuru] to inflict
科学[kagaku] science
科学院[kagakuin] science institute
科学技術[kagakugijutsu] science and technology

雉子[kigisu] green pheasant (Phasianus versicolor)
雉鳩[kijibato] Oriental turtle dove (Streptopelia orientalis)
白雉[hakuchi] Hakuchi era (650.2.15-654.10.?)
雉も鳴かずば撃たれまい[kijimonakazubautaremai] avoiding unnecessary talk can prevent disaster falling on one
焼け野の雉夜の鶴[yakenonokigisuyorunotsuru] parents may risk life and limb for their children (like a pheasant when the plains are burning or a crane on a cold night)

雉羽太[kijihata] red-spotted grouper (species of fish, Epinephelus akaara)
雉隠[kijikakushi] Asparagus schoberioides
雉科[kijika] Phasianidae (pheasant family of birds)
雉目[kijimoku] Galliformes (galliform order of birds)
高麗雉[kouraikiji] common pheasant (Phasianus colchicus)