伸べる[noberu] to lay out (a futon)
延伸[enshin] extension
屈伸[kusshin] elasticity
欠伸[akubi] yawn
差伸べる[sashinoberu] to hold out

三伸[sanshin] second postscript
伸し[noshi] stretching
伸し掛る[noshikakaru] to lean on
伸し上がる[noshiagaru] to stand on tiptoe
伸し上げる[noshiageru] to promote

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