会則[kaisoku] society or club regulations
回線制御規則[kaisenseigyokisoku] line discipline
学則[gakusoku] school regulations
規則[kisoku] rules
規則を敗る[kisokuwoyaburu] to break the rules

規則正い[kisokutadashii] regular
規則的[kisokuteki] systematic
教則[kyousoku] rules of teaching
禁則[kinsoku] prohibition
原則[gensoku] principle

勿れ[nakare] must not
勿体[mottai] superior airs
勿体振る[mottaiburu] to put on airs
勿論[mochiron] of course
事勿れ主義[kotonakareshugi] principle of peace-at-any-price

勿体無い[mottainai] impious
勿忘草[wasurenagusa] forget-me-not (esp. the water forget-me-not, Myosotis scorpioides)
勿怪[moke] unexpected
勿怪の幸い[mokkenosaiwai] windfall

忌憚[kitan] reserve
憚る[habakaru] to hesitate
憚り乍ら[habakarinagara] with all due respect ...
憚り様[habakarisama] thank you for your trouble

過ちては則ち改むるに憚ること勿れ[ayamachitehasunawachiaratamurunihabakarukotonakare] do not delay to make amends for one's wrongs
憎まれっ子世に憚る[nikumarekkoyonihabakaru] Ill weeds grow apace
憚り[habakari] hesitation
忌憚のない[kitannonai] unrestrained

悔改める[kuiaratameru] to repent
改まる[aratamaru] to be renewed
改めて[aratamete] another time
改める[aratameru] to change
改悪[kaiaku] deterioration

改印[kaiin] changing seals
改革[kaikaku] reform
改革案[kaikakuan] reform proposal
改革過程[kaikakukatei] reform process
改憲[kaiken] constitutional change

に過ぎない[nisuginai] no more than
マルコフ過程[marukofukatei] Markov process
為過ぎる[shisugiru] to overdo
一過[ikka] passing away
一過性[ikkasei] transient (pain or fever)

過ぎ[sugi] past
過ぎる[sugiru] to pass through
過ぎ去った可能性[sugisattakanousei] might-have-been
過去る[sugisaru] to pass
過す[sugosu] to pass (time)