1
hundredfold
1
jillion
1
leap year
1
luster
1
man-hour
1
millennium
1
million
1
minute
1
moment
1
month
1
moon
1
nineties
1
octagon
1
octave
1
octavo
1
octet
1
quarter
1
score
1
second
1
semester
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APASmart Define. (2015). decennium thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/decennium/thesaurus/synonyms
ChicagoSmart Define. 2015. "decennium thesaurus" https://smartdefine.org/decennium/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, decennium thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/decennium/thesaurus/synonyms>.
MLASmart Define. "decennium thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/decennium/thesaurus/synonyms>