海亀[umigame] sea turtle
亀の子[kamenoko] young turtle (tortoise)
亀の手[kamenote] barnacle
亀鑑[kikan] pattern
亀甲[kikkou] tortoise shell

亀頭[kitou] glans (esp. glans penis)
亀裂[kiretsu] crack
水亀[ishigame] any turtle of the genus Mauremys (esp. the Japanese pond turtle, Mauremys japonica)
盲亀[mouki] blind turtle

御手玉[otedama] beanbag
御手上げ[oteage] all over
御手盛り[otemori] making arbitrary decisions which benefit oneself
御手洗い[otearai] toilet
お手伝いさん[otetsudaisan] maid

手子摺る[tekozuru] to have much trouble
引っ手繰り[hittakuri] purse snatching
悪手[akushu] poor move
握手[akushu] handshake
安手[yasude] cheap kind