pitter-patter

nouns

a series of rapid tapping sounds
"she missed the pitter-patter of little feet around the house"
pitter-patter
is a type of (narrower)
the sound made by a gentle blow
pat, rap, tap

verbs

rain gently
"It has only sprinkled, but the roads are slick"
patter, pitter-patter, spatter, spit, sprinkle
make light, rapid and repeated sounds
"gently pattering rain"
patter, pitter-patter

adverbs

as of footsteps
"he came running pit-a-pat down the hall"
pit-a-pat, pitter-patter, pitty-pat, pitty-patty
describing a rhythmic beating
"his heart went pit-a-pat"
pit-a-pat, pitter-patter, pitty-pat, pitty-patty