9 entries under noun topic. ×

2
centenary(time, length, interim)
2
century(time, length, interim)
2
chiliad(time, length, interim)
2
decade(time, length, interim)
2
decades(time, length, interim)
2
decennary(time, length, interim)
2
decenniad(time, length, interim)
2
millenary(time, length, interim)
2
millennium(time, length, interim)
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APASmart Define. (-0001). many years thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/many_years/thesaurus/narrower
ChicagoSmart Define. -0001. "many years thesaurus" https://smartdefine.org/many_years/thesaurus/narrower (accessed September 29, 2026).
HarvardSmart Define -0001, many years thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/many_years/thesaurus/narrower>.
MLASmart Define. "many years thesaurus" 30 November -0001. Web. 29 September 2026. <https://smartdefine.org/many_years/thesaurus/narrower>