common
dominant
predominant
prevailing
prevalent
regular
rife
steady
affect
attend
automatic
beaten
constant
continual
continuing
continuous
countless
crowded
customary
cyclical
ever-recurring
everyday
familiar
fill
frequentative
full
ghost
habitual
hackneyed
hang around
hang out
hang out at
haunt
haunting
incessant
infest
innumerable
iterative
many
many times
normal
not rare
numerous
of common occurrence
oft-repeated
oftentime
ordinary
overrun
patronize
periodic
persistent
back up
support
frequented
frequenting
frequently
frequents
FAQ
frequency
frequently asked question
infrequent
occasional
recent
sequent