pseudorepetitive
periodically
every so often
recurring
always
oft-repeated
punctual
forever
recurringly
heterochronic
now and then
repetitively
on an irregular basis
repeating
from time to time
repetitiveness
now and again
time of asking
every time one turns around
harmonic
persistent
on-again, off-again
intermittently
recurrent
once in a while
at times
time and time again
insistent
repetitive
time and again
on occasion
occasionally
periodic
roll around
periodical
quasiperiodic
come around
by fits and starts
sometime
here and there
repeatedly
habitually
on and off
severally
manifold
reiteratedly
this is where we came in
frequently
again and again
over and over again