10
decade
7
decennary(noun, decade)
5
ten(noun, ten, decade)
1
annum
1
billion
1
century
1
day
1
decades
1
dozen
1
duodecimo
1
eighties
1
fifties
1
forties
1
fortnight
1
fourscore
1
grand
1
gross
1
hexad
1
hour
1
hundred
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APASmart Define. (2015). decennium thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/decennium/thesaurus/synonyms
ChicagoSmart Define. 2015. "decennium thesaurus" https://smartdefine.org/decennium/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, decennium thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/decennium/thesaurus/synonyms>.
MLASmart Define. "decennium thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/decennium/thesaurus/synonyms>