九寸五分[kusungobu] dagger
弦楽五重奏曲[gengakugojuusoukyoku] string quintet
五つ[itsutsu] five
五つ子[itsutsugo] quintuplets
五悪[goaku] the five sins in Buddhism (murder, theft, adultery, falsehood and drink)

五音々階[goononkai] pentatonic scale
五戒[gokai] the five precepts (prohibitions against killing, theft, sexual misconduct, lying and intemperance)
五官[gokan] the five sense organs
五感[gokan] the five senses

偽証罪[gishouzai] crime of perjury
偽造罪[gizouzai] forgery
脅迫罪[kyouhakuzai] criminal intimidation
軽犯罪[keihanzai] minor offence
原罪[genzai] original sin

功罪[kouzai] both good and bad
罪悪[zaiaku] crime
罪悪感[zaiakukan] feelings of guilt
罪科[zaika] offense