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

アルファ線[arufasen] alpha rays
エックス線[ekkususen] X-ray
サイン曲線[sainkyokusen] sinusoid
スピード線[supiidosen] speed lines
緯線[isen] parallel

一次線輪[ichijisenrin] primary coil
一線[issen] line
一直線[icchokusen] straight line
一番線[ichibansen] track no. 1
一塁線[ichiruisen] first-base line

列記[rekki] list
ガリア戦記[gariasenki] History of the Gallic Wars
タイ記録[taikiroku] equal to the current record (in sports, etc.)
ト音記号[toonkigou] G clef
ドル記号[dorukigou] dollar sign ($)

ハ音記号[haonkigou] C clef
ヘ音記号[heonkigou] F clef
位記[iki] court rank diploma
位記追贈[ikitsuisou] conferment of posthumous rank
囲み記事[kakomikiji] (newspaper) column