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

お徳[otoku] economical
悪徳[akutoku] vice
悪徳新聞[akutokushinbun] irresponsible newspaper
偉徳[itoku] outstanding virtue
威徳[itoku] virtue and influence

遺徳[itoku] benefit from ancestors' virtue
一徳[ittoku] virtue
陰徳[intoku] secret charity
乾徳[kentoku] emperor's virtue
謙譲の美徳[kenjounobitoku] modest virtue