11
annually
10
annual(adjective, regularity of recurrence periodicity)
6
per annum(expression, adjective, idiom, adverb)
5
each year(expression, idiom, adverb, annual, twelve-monthly)
5
every year(expression, idiom, adverb, twelve-monthly)
5
biweekly
4
biennial
4
perennial(adjective, enduring, perpetual)
4
bimonthly
4
diurnal
4
fortnightly
4
hebdomadal
4
per year(expression, idiom, adverb)
4
triennial
3
daily
3
monthly
3
weekly
3
anniversary
3
at different times
3
centennial
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APASmart Define. (2015). yearly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/yearly/thesaurus/synonyms
ChicagoSmart Define. 2015. "yearly thesaurus" https://smartdefine.org/yearly/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, yearly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/yearly/thesaurus/synonyms>.
MLASmart Define. "yearly thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/yearly/thesaurus/synonyms>