accent
alternation
arrhythmia
bar beat
barrage
beat
beating
ceaselessness
chattering
constancy
constant flow
continualness
continuity
cyclicalness
downbeat
drum
drum music
drumbeat
drumfire
drumming
flutter
heartbeat
heartthrob
ictus
incessancy
intermittence
intermittency
meter
noninterruption
offbeat
oscillation
palpitation
pant
paradiddle
patter
pendulum motion
periodicalness
periodicity
perpetuity
piston motion
pitapat
pitpat
pitter-patter
pound
pounding
pulse
phenomenon
undulation
wave
contraction
diga
dilatation
elongation
pulsations
respiration
snore
submultiple
swish
throb
thrum
thud
tingle
vibration
whoosh