鬼利死丹[kirishitan] early Japanese Christianity (from the later Muromachi period)
あっ死[asshi] crushing to death
安楽死[anrakushi] euthanasia
一死[isshi] dying
一死後[isshigo] after one out (in Baseball)

一死報国[isshihoukoku] dying for one's country
煙死[enshi] death by smoke suffocation
横死[oushi] violent (tragic or accidental) death
仮死[kashi] asphyxiation
過労死[karoushi] death from overwork and mental stress

アルファ線[arufasen] alpha rays
エックス線[ekkususen] X-ray
サイン曲線[sainkyokusen] sinusoid
スピード線[supiidosen] speed lines
緯線[isen] parallel

一次線輪[ichijisenrin] primary coil
一線[issen] line
一直線[icchokusen] straight line
一番線[ichibansen] track no. 1
一塁線[ichiruisen] first-base line

寄越す[yokosu] to send
越幾斯[ekisu] extract (esp. of food, fruit, etc.)
越南[betonamu] Vietnam
引き越す[hikkosu] to move (house)
越す[kosu] to cross over (e.g. mountain)

越境[ekkyou] border transgression
越権[ekken] going beyond authority
越冬[ettou] passing the winter
越年[etsunen] ring out the old year
夏越し[natsugoshi] keeping over the summer