乗冪[joubeki] power
冪乗[bekijou] a power
冪零[bekirei] nilpotent
冪乗演算子[bekijouenzanshi] exponential operator (**)

冪集合[bekishuugou] power set
冪級数[bekikyuusuu] power series
冪々[bekibeki] billowing (clouds, dust)
２の冪[ninobeki] power of two

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