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

介鱗[kairin] fish and shellfish
逆鱗[gekirin] imperial wrath
片鱗[henrin] portion
骨鱗[kotsurin] bony scale (of a fish)
鱗木[rinboku] lepidodendron

鱗片[rinpen] (animal or plant) scale
鱗状[rinjou] scaly
鱗茎[rinkei] (lily or tulip, etc.) bulb
鱗粉[rinpun] (insectile, especially moth) scales