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)

内鰐[uchiwani] knock-kneed
鰐口[waniguchi] wide mouth
鰐鮫[wanizame] ferocious shark
鰐皮[wanigawa] crocodile or alligator skin (hide)
鰐足[waniashi] bowlegs

外鰐[sotowani] walking with feet pointing outward
ナイル鰐[nairuwani] Nile crocodile (Crocodylus niloticus)
アメリカ鰐[amerikawani] American crocodile (Crocodylus acutus)
ミシシッピ鰐[mishishippiwani] American alligator (Alligator mississippiensis)