(n.) A setting down of the foot; a footstep; the sound of a footstep.

bump chink click clink clump clunk crump drub dull thud flick flump footfall footstep hippety-hop hoofbeat hop jump pace pad pat patter pitapat pitter-patter plump plunk pop rap skip stamp step stomp stride tap thud thump tick tinkle trample tread tunk