95 entries under noun topic. ×

1
ammonia
1
argon
1
atmosphere
1
baptism(refinement, distillation, freeing, cleansing)
1
bathing(refinement, distillation, freeing, cleansing)
1
butane
1
catharsis(refinement, distillation, freeing, cleansing)
1
chlorine
1
cleansing(refinement, distillation, freeing, cleaning)
1
depuration(grace, refinement, purge, distillation)
1
disinfection(refinement, distillation, freeing, cleansing)
1
distillation(grace, refinement, purge, freeing)
1
emptiness
1
ethane
1
ether
1
expiation(refinement, distillation, freeing, cleansing)
1
expurgation(refinement, distillation, freeing, cleansing)
1
forgiveness(refinement, distillation, freeing, cleansing)
1
freeing(refinement, distillation, cleansing, sanitization)
1
fume
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APASmart Define. (2015). rarefaction thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/rarefaction/thesaurus/synonyms
ChicagoSmart Define. 2015. "rarefaction thesaurus" https://smartdefine.org/rarefaction/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, rarefaction thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/rarefaction/thesaurus/synonyms>.
MLASmart Define. "rarefaction thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/rarefaction/thesaurus/synonyms>