27
health(noun, health, force, body, power)
24
permanence(noun, support, control, strength, balance)
14
wholeness(noun, health, strength, energy, condition)
13
stability(noun, health, support, control, change)
12
strength(noun, health, support, control, change)
10
firmness(noun, health, support, control, change)
9
integrity(noun, health, honor, right, reason)
9
sanity(noun, health, understanding, power, spirit)
9
solidity(noun, health, support, control, strength)
8
steadiness(noun, health, support, control, change)
7
solidness(noun, support, control, strength, balance)
7
validity(noun, strength, substance, color, chance)
7
vigor(noun, health, force, body, power)
7
wisdom(noun, understanding, power, knowledge, spirit)
6
fastness(noun, support, control, change, strength)
6
fitness(noun, health, strength, energy, condition)
6
hardness(noun, support, control, change, strength)
6
healthiness(noun, health, force, body, power)
6
rationality(noun, understanding, strength, knowledge, mind)
6
reliability(noun, color, chance, goodness, integrity)
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APASmart Define. (2015). Soundness thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/soundness/thesaurus/synonyms
ChicagoSmart Define. 2015. "Soundness thesaurus" https://smartdefine.org/soundness/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, Soundness thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/soundness/thesaurus/synonyms>.
MLASmart Define. "Soundness thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/soundness/thesaurus/synonyms>