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

欠勤届け[kekkintodoke] report of an absence (at work)
欠席届け[kessekitodoke] report of a school absence
行き届く[ikitodoku] to be scrupulous
婚姻届[konintodoke] marriage registration
送り届ける[okuritodokeru] to send to

転入届[tennyuutodoke] notification of moving in
届く[todoku] to reach
届ける[todokeru] to deliver
届け出る[todokederu] to report
届け先[todokesaki] destination

紛い[magai] imitation
言紛らす[iimagirasu] to equivocate
諸説紛紛[shosetsufunpun] divergent opinions abound
人工受紛[jinkoujufun] artificial fertilization (of plants)
地域紛争[chiikifunsou] regional conflict

半ば紛れで[nakabamagurede] half due to luck
紛骨砕身[funkotsusaishin] making one's best exertions
紛らす[magirasu] to divert
紛らわしい[magirawashii] confusing
紛らわす[magirawasu] to divert