8
agony
7
suicide silence
7
sunset(state, departure, disappearance, evaporation)
7
worry
6
rest in peace(fate, ending)
5
chaos
5
commensalism(noun, nature, feature, environment)
5
mutualism(noun, nature, feature, environment)
4
ecology(noun, nature, feature, environment)
3
competition(noun, nature, feature, environment)
3
parasitism(noun, nature, feature, environment)
3
predation(noun, nature, feature, environment)
2
lunar cycle
1
amplitude(noun, nature, feature, environment)
1
chronosystem(noun, nature, feature, environment)
1
clustering(noun, nature, feature, environment)
1
compartmentalization(noun, nature, feature, environment)
1
complexity(noun, nature, feature, environment)
1
composting(noun, nature, feature, environment)
1
connectance(noun, nature, feature, environment)
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APASmart Define. (2015). extinction thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/extinction/thesaurus/related
ChicagoSmart Define. 2015. "extinction thesaurus" https://smartdefine.org/extinction/thesaurus/related (accessed September 22, 2026).
HarvardSmart Define 2015, extinction thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/extinction/thesaurus/related>.
MLASmart Define. "extinction thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/extinction/thesaurus/related>