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)

雨靴[amagutsu] waterproof shoes
隔靴掻痒[kakkasouyou] being frustrated because something is not quite as hoped (just as one cannot scratch an itch from outside a shoe)
革靴[kawagutsu] leather shoes
靴一足[kutsuissoku] pair of shoes
靴屋[kutsuya] shoemaker

靴音[kutsuoto] walking sound
靴下[kutsushita] socks
靴型[kutsugata] shoe last
靴擦れ[kutsuzure] shoe sore