The DICT Development Group

  164 Moby Thesaurus words for "pitter patter":
     Scotch mist, alliteration, arrhythmia, assonance, barrage, beat,
     beat a ruffle, beat a tattoo, beating, bicker, blood rain, bump,
     chime, chink, click, clink, clop, clump, clunk, crump, dance,
     didder, dingdong, disquiet, disquietude, dithers, drizzle, drone,
     drum, drum music, drumbeat, drumfire, drumming, dull thud,
     evening mist, fall, fidgetiness, fidgets, flap, flick, flicker,
     flip, flit, flitter, flop, flump, flurry, flutter, go pitapat,
     gout of rain, gutter, harping, heartbeat, heartthrob, heaving,
     humdrum, inquietude, jingle, jingle-jangle, mist, misty rain,
     mizzle, moisture, monotone, monotony, near rhyme, pad, palpitate,
     palpitation, panting, paradiddle, pat, patter, pelt, pitapat,
     plump, plunk, pop, pound, pounding, pour, pour with rain,
     precipitate, precipitation, pulsate, pulsation, pulse, quaking,
     quaver, quavering, quiver, quivering, rain, rain tadpoles,
     raindrop, rainfall, rainwater, rap, rat-a-tat, rat-tat,
     rat-tat-tat, rataplan, rattattoo, repeated sounds, repetitiousness,
     repetitiveness, restlessness, rhyme, rhythm, roll, rub-a-dub, ruff,
     ruffle, shake, shakes, shaking, sheet of rain, shiver, shivers,
     shower, shower down, shudder, singsong, slant rhyme, slat,
     sound a tattoo, spatter, spit, splatter, splutter, sprinkle,
     sputter, staccato, stale repetition, stream, tap, tat-tat, tattoo,
     tedium, tempo, throb, throbbing, thrum, thud, thump, thumping,
     tick, tinkle, tom-tom, tremble, trembling, tremor, trepidation,
     trepidity, trot, tunk, twitter, unfrozen hydrometeor,
     unnecessary repetition, unrest, wave, waver, weep, wet