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

行けない[ikenai] wrong
行る[yaru] to send
オリエント急行[orientokyuukou] Orient express
カ行[kagyou] classification for Japanese verb with the dictionary form ending in "ku"
ガ行[gagyou] classification for Japanese verb with the dictionary form ending in "gu"

サ行[sagyou] classification for Japanese verb with the dictionary form ending in "su"
ザ行[zagyou] classification for Japanese verb with the dictionary form ending in "zu"
スパイ行為[supaikoui] espionage
タ行[tagyou] classification for Japanese verb with the dictionary form ending in "tsu"
ダ行[dagyou] classification for Japanese verb with the dictionary form ending in "dzu"

御陰[okage] grace (of God)
陰画紙[ingashi] (photographic) printing paper
陰萎[ini] impotence (sexual)
陰画[inga] (photographic) negative
陰核[inkaku] clitoris

陰気[inki] gloom
陰極[inkyoku] cathode
陰極線[inkyokusen] cathode rays
陰極線管[inkyokusenkan] cathode-ray tube

陰陽道[onmyoudou] Onmyoudou
紫陽花[ajisai] hydrangea (Hydrangea macrophylla)
斜陽[shayou] setting sun
重陽[chouyou] Chrysanthemum Festival (the 9th day of the 9th lunar month) (one of the five annual festivals)
太陽[taiyou] sun

太陽光線[taiyoukousen] sunlight
太陽光発電[taiyoukouhatsuden] solar power (generation)
太陽暦[taiyoureki] solar calendar
半陰陽[haninyou] hermaphrodite