吹っ切れる[fukkireru] to break through (e.g. one's doubts)
襤褸切[borokire] old rag
やり切る[yarikiru] complete decisively
切死丹[kirishitan] early Japanese Christianity (from the later Muromachi period)
哀切[aisetsu] pathetic

一切[issai] all
ひと切り[hitokiri] pause
１切れ[hitokire] slice
一切経[issaikyou] complete Buddhist scriptures
一切衆生[issaishujou] all living creatures

斬る[kiru] to kill (a human) using a blade (sword, machete, knife, etc.)
斬新[zanshin] novel
人斬り[hitokiri] assassination
斬刻む[kirikizamu] to hew
斬り込む[kirikomu] to cut into

斬り殺す[kirikorosu] to slay
斬り散らす[kirichirasu] to cut down all
斬り死に[kirijini] fighting to the death (with swords)
斬り倒す[kiritaosu] to cut down
斬り破る[kiriyaburu] to cut to pieces

ブチ殺す[buchikorosu] to kill by hitting
押殺す[oshikorosu] to crush to death
あっ殺[assatsu] crushing to death
暗殺[ansatsu] assassination
暗殺事件[ansatsujiken] assassination

一殺那[issetsuna] (a) moment
殴り殺す[nagurikorosu] to strike dead
殴殺[ousatsu] beating to death
皆殺し[minagoroshi] massacre
かみ殺す[kamikorosu] to stifle a smile, yawn, etc.