THESAURUS
pitapat
arrhythmia, barrage, beat, beating, bump, chink, click, clink, clop, clump, clunk, crump, dance, didder, disquiet, disquietude, dithers, drum, drum music, drumbeat, drumfire, drumming, dull thud, fidgetiness, fidgets, flap, flick, flicker, flit, flitter, flop, flump, flutter, heartbeat, heartthrob, heaving, inquietude, pad, palpitant, palpitation, panting, paradiddle, pat, patter, pitter-patter, plump, plunk, pop, pound, pounding, pulsatile, pulsating, pulsation, pulsative, pulsatory, pulse, pulsing, quaking, quaver, quavering, quiver, quivering, rap, rat-a-tat, rat-tat, rat-tat-tat, rataplan, rattattoo, restlessness, rhythm, rhythmic, roll, rub-a-dub, ruff, ruffle, shake, shakes, shaking, shiver, shivers, shudder, spatter, splutter, sputter, staccato, tap, tat-tat, tattoo, tempo, throb, throbbing, thrum, thud, thump, thumping, tick, tinkle, tom-tom, tremble, trembling, tremor, trepidation, trepidity, tunk, twitter, unrest, waver
ROGET THESAURUS
pitapat
Roll
N
roll, drumming, berloque, bombination, rumbling, tattoo, drumroll, dingdong, tantara, rataplan, whirr, ratatat, ratatat-tat, rubadub,
pitapat, quaver, clutter, charivari, racket, cuckoo, repetition, peal of bells, devil's tattoo, reverberation, clickety-clack, hum, purr, hummingbird, cat, kitten (animal sounds), rolling, monotonous, like a bee in a bottle.