皮【かわ】
skin, hide, pelt, fur, rind, peel, husk, bark, shell, sheath, wrapping, mask (hiding one's true nature), seeming
皮膚【ひふ】
skin
皮切り【かわきり】
beginning, start
皮肉【ひにく】
irony, sarcasm, cynicism, satire, unexpected, different from what one expected, not as one had planned, (only) surface, something superficial, skin and bone, body
毛皮【けがわ】
fur, skin, pelt, kanji "fur" radical
皮革【ひかく】
leather, hide
樹皮【じゅひ】
bark (of a tree, etc.)
皮膚病【ひふびょう】
skin disease