8 entries under expression topic. ×

6
flame retardant(feature, filter, additives)
5
breakable flavor capsule(feature, filter, additives)
5
colouring additives(feature, filter, additives)
5
environmentally harmful(environment, pollution, contamination)
5
pollute environment(environment, pollution, contamination)
4
environmentally hazardous(environment, pollution, contamination)
4
environmentally unfriendly(environment, pollution, contamination)
3
contaminate environment(environment, pollution, contamination)
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APASmart Define. (1970). cigarette filter thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/cigarette_filter/thesaurus/related
ChicagoSmart Define. 1970. "cigarette filter thesaurus" https://smartdefine.org/cigarette_filter/thesaurus/related (accessed September 23, 2026).
HarvardSmart Define 1970, cigarette filter thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/cigarette_filter/thesaurus/related>.
MLASmart Define. "cigarette filter thesaurus" 1 January 1970. Web. 23 September 2026. <https://smartdefine.org/cigarette_filter/thesaurus/related>