改廃[kaihai] change
軍備撤廃[gunbiteppai] complete disarmament
公娼全廃[koushouzenpai] abolition of licensed prostitution
荒廃[kouhai] ruin
廃める[yameru] to stop

全廃[zenpai] total abolition
全廃論者[zenpaironsha] abolitionist
撤廃[teppai] annulment
廃る[sutaru] to go out of use
廃れる[sutareru] to go out of use

棄却[kikyaku] rejection
棄権[kiken] abstaining from voting
棄権者[kikensha] non-voter
棄言葉[sutekotoba] sharp parting remark
棄死[kishi] execution by decapitation, followed by public display of the body (form of punishment in ancient China)

棄世[kisei] death
棄背[kihai] giving up and turning back
棄約[kiyaku] breaking a promise
棄老[kirou] old person thrown away in the mountains
棄捐[kien] donation