from time to time
- Answer EVERANDANON
- Answer EVERYNOWANDTHEN
- Answer EVERYSOOFTEN
- Answer HEREANDTHERE
- Answer NOWANDAGAIN
- Answer NOWANDTHEN
- Answer OCCASIONALLY
- Answer OFTENENOUGH
- Answer ONCEINABLUEMOON
- Answer ONCEINAWHILE
- Answer ONOCCASION
- Answer ONRAREOCCASIONS
- Answer WHENTHEURGEHITS
- Answer EVERANDAGAIN
- Answer ONANDOFF
- Answer PERIODIC
- Answer PERIODICALLY