悪足掻き[waruagaki] useless resistance
一挙手一投足[ikkyoshuittousoku] slight effort
一足[issoku] pair (footwear)
一足[hitoashi] step
一足先[hitoashisaki] one step ahead

一足飛び[issokutobi] (at) one bound
逸足[issoku] fast runner
右足[migiashi] right foot
運動不足[undoubusoku] insufficient exercise
栄養不足[eiyoubusoku] malnutrition

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)