バナナの皮[banananokawa] banana peel
一皮[hitokawa] unmasking
化の皮[bakenokawa] masking one's true character
化けの皮をはぐ[bakenokawawohagu] to unmask (someone's true nature)
果皮[kahi] pericarp (ripened ovary wall forming part of a fruit)

外皮[gaihi] investment (in the sense of outer layer)
角皮[kakuhi] cuticle
桜皮[kanba] birch (esp. Japanese white birch)
乾皮[kanpi] dried hides
雁皮紙[ganpishi] traditional Japanese paper made from the fibre of plant species Diplomorpha sikokiana (high quality, glossy)

黄ばみ[kibami] yellow tint
黄ばむ[kibamu] to turn yellow
黄鉛[ouen] chrome yellow
黄河[kouga] Yellow river (in China)
黄禍[kouka] Yellow Peril

黄花[kouka] chrysanthemum
黄海[koukai] Yellow Sea
黄褐色[oukasshoku] yellowish-brown
黄菊[kigiku] yellow chrysanthemum