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

駈ける[kakeru] to run (race, esp. horse)
駈降りる[kakeoriru] to run down (stairs, etc.)
駈足[kakeashi] running fast
駈落ち[kakeochi] defeat and flight
駈出す[kakedasu] to run off

駈引[kakehiki] bargaining
駈け出し[kakedashi] novice
牧を駈ける駒[makiwokakerukoma] horse galloping in the pasture
駈歩[kuho] canter (horse gait)
駈けっ競[kakekkura] (foot) race