7
day(noun, period)
7
hour(noun, period)
7
moon(noun, period)
6
decade(noun, period)
6
calendar month(noun, expression, idiom)
6
generation(noun, period)
6
lifetime(noun, period)
6
minute(noun, period)
6
second(noun, period)
6
time(noun, period, length)
5
week(noun, period)
5
year(noun, period)
4
epoch(noun, period)
4
lunation
4
quinquennium(noun, period)
4
term
3
age(noun, period)
3
era(noun, period)
3
microsecond
3
millennium
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APASmart Define. (2016). month thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/month/thesaurus/synonyms
ChicagoSmart Define. 2016. "month thesaurus" https://smartdefine.org/month/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, month thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/month/thesaurus/synonyms>.
MLASmart Define. "month thesaurus" 2 February 2016. Web. 20 September 2026. <https://smartdefine.org/month/thesaurus/synonyms>