banging
blasting
bursting
busy
cracking
crashing
exploding
explosive
flapping
fussy
hopping
humming
hustling
knocking
lively
rapping
slapping
slatting
tapping
pop
sound
chopping
copping
cropping
dropping
flopping
lopping
mopping
propping
shopping
sopping
stopping
swapping
topping
wapping
whopping