御呪い[omajinai] good luck charm
呪い[noroi] curse
呪い[majinai] charm
呪う[norou] to curse
呪禁[jugon] vanquishing monsters, spirits, etc. with charms

呪術[jujutsu] magic
呪縛[jubaku] curse
呪文[jumon] spell
呪物[jubutsu] fetish
呪物崇拝[jubutsusuuhai] fetishism

謂われ[iware] reason
謂わば[iwaba] so to speak
所謂[iwayuru] what is called
謂う[iu] to say
謂う所の[iutokorono] what is called

過ちて改めざる是を過ちと謂う[ayamachitearatamezarukorewoayamachitoiu] to err and not change one's ways, this is what it is to err (from Analects of Confucius)
謂れない[iwarenai] unjustified
謂れ因縁[iwareinnen] origin
謂れのない[iwarenonai] unjustified