円規[enki] pair of compasses
価格規制[kakakukisei] price control
会員規約[kaiinkiyaku] membership agreement (e.g. for a credit card)
会規[kaiki] society by-laws
回線制御規則[kaisenseigyokisoku] line discipline

規格[kikaku] standard
規格化[kikakuka] standardization
規格原案[kikakugenan] standards draft
規準化[kijunka] normalization
規制[kisei] regulation