7
base
4
acid
4
antacid(noun, adjective, base, acid)
4
caustic(adjective, bitterness, calefaction)
3
alkaline(adjective, basic, acid)
3
alkalis
3
chemical
3
radical
3
salt(noun, base, spice, acid, seasoning)
2
ammonia(noun, liquid, gaseity)
2
basic
2
brine(noun, solution, spice, seasoning, saline)
1
acerbity
1
acidity
1
acridity
1
acridness
1
acrimony
1
agent
1
alkalinity
1
alloisomer
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APASmart Define. (2015). alkali thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/alkali/thesaurus/synonyms
ChicagoSmart Define. 2015. "alkali thesaurus" https://smartdefine.org/alkali/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, alkali thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/alkali/thesaurus/synonyms>.
MLASmart Define. "alkali thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/alkali/thesaurus/synonyms>