外国人登録[gaikokujintouroku] alien registration
外国人登録証明書[gaikokujintourokushoumeisho] certificate of alien registration
岩登り[iwanobori] rock climbing
駆け登る[kakenoboru] to run (up hill, stairs, etc.)
遠古登点[wokototen] marks to aid in reading Chinese classics

山登り[yamanobori] mountain climbing
住民登録[juumintouroku] resident registration
登り[nobori] ascent
登り下り[noboriori] rising and falling
登り口[noboriguchi] starting point for an ascent (mountain, stairs, etc.)

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