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

其の他[sonohoka] etc.
愛他主義[aitashugi] altruism
他に[hokani] in addition
他に何か[hokaninanika] is there anything else?
自他[jita] oneself and others

殊の他[kotonohoka] exceedingly
他人事[taningoto] other people's affairs
他の物[tanomono] the other thing
他愛[taai] altruism

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