Synonyms of recurring

2 Syllables
weekly, revert, monthly, hourly, chainer, reappear, repeat, cyclic, return, frequent, chronic, persist
3 Syllables
iterant, stop-and-go, perpetual, orbital, lingering, cyclical, periodic, recurrent, centennial, epochal, seasonal
4 Syllables
reiterate, intermittent, isochronous, recrudesce, never-ceasing, ever-present, unabating, isochronal, iterate
6 Syllables
on-again-off-again