一介[ikkai] mere
荷厄介[niyakkai] encumbrance
介して[kaishite] through the medium of
介意[kaii] worrying about
介殻[kaikaku] sea shell

介護[kaigo] nursing
介甲[kaikou] crust-like shell
介在[kaizai] mediation
介錯[kaishaku] suicide assistant
介添え[kaizoe] helper

一己[ikko] personal
乎己止点[okototen] marks to aid in reading Chinese classics
己れ[onore] oneself (itself, etc.)
克己[kokki] self denial
克己心[kokkishin] spirit of self-denial

自己[jiko] self
自己暗示[jikoanji] self suggestion
自己規制[jikokisei] self regulation
自己犠牲[jikogisei] self-sacrifice
自己共役[jikokyouyaku] self adjoint

自己紹介[jikoshoukai] self-introduction
紹介[shoukai] introduction
紹介者[shoukaisha] person who introduces someone
紹介状[shoukaijou] letter of introduction
新刊紹介[shinkanshoukai] book review

紹介文[shoukaibun] introductory essay
紹興酒[shoukoushu] shaoxingjiu (Chinese alcohol made from rice or glutinous millet)
人材紹介会社[jinzaishoukaikaisha] employment agency
他己紹介[takoshoukai] introduction of someone else
紹介記事[shoukaikiji] introductory article

貨物自動車[kamotsujidousha] truck
各自[kakuji] individual
観自在[kanjizai] Avalokitesvara (bodhisattva)
結社の自由[kesshanojiyuu] freedom of association
現金自動支払機[genkinjidoushiharaiki] cash dispenser

現金自動預け払い機[genkinjidouazukebaraiki] automatic teller machine
現金自動預金支払機[genkinjidouyokinshiharaiki] automatic teller machine
古自動車[furujidousha] used car
後追い自殺[atooijisatsu] following someone's example, and committing suicide
最小自乗法[saishoujijouhou] least-squares method