遺失[ishitsu] loss
遺失物[ishitsubutsu] lost article
一失[isshitsu] disadvantage (defect, error)
一得一失[ittokuisshitsu] gaining some and losing some
栄養失調[eiyoushicchou] malnutrition

過失[kashitsu] error
見失う[miushinau] to lose sight of
失う[ushinau] to lose
失する[shissuru] to lose
失せる[useru] to disappear

韻脚[inkyaku] metrical foot (poet.)
下脚[kakyaku] legs
火脚[hiashi] spreading of a fire
脚韻[kyakuin] rhyme
脚気[kakke] beriberi

脚色[kyakushoku] dramatization (e.g. film)
脚線美[kyakusenbi] beauty of slender female legs
脚註[kyakuchuu] footnote
脚付き[ashitsuki] something (equipped) with legs
脚部[kyakubu] leg