2
accustomed(adjective, regular)
2
alternating
2
annual
2
at different times
2
average(adjective, regular)
2
broken
2
discontinuous
2
even
2
general(adjective, regular, normal, recurrent)
2
infrequent
2
odd(adjective, various, miscellaneous)
2
ordinary(adjective, regular)
2
orthodox(adjective, regular)
2
pleonastic(regular, normal, recurrent, repeated)
2
prevailing(adjective, regular)
2
reappearing
2
returning
2
rhythmical(adjective, regularity of recurrence periodicity)
2
standard(adjective, regular)
2
stock(adjective, regular)
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APASmart Define. (2015). periodic thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/periodic/thesaurus/synonyms
ChicagoSmart Define. 2015. "periodic thesaurus" https://smartdefine.org/periodic/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, periodic thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/periodic/thesaurus/synonyms>.
MLASmart Define. "periodic thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/periodic/thesaurus/synonyms>