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Fortitude vs Soundness - What's the difference?

fortitude | soundness |

As nouns the difference between fortitude and soundness

is that fortitude is mental or emotional strength that enables courage in the face of adversity while soundness is (uncountable) the state or quality of being sound.

fortitude

English

Noun

(en noun)
  • Mental or emotional strength that enables courage in the face of adversity.
  • * 1612 , , King Henry VIII , act 3, sc. 2:
    • . . . I am able now, methinks,
    Out of a fortitude of soul I feel,
    To endure more miseries.
  • * , ch. 1:
    • I shall soon have need for all my fortitude , as I am on the point of separation from my own daughter.
  • * 1906 , , The Mirror of the Sea , ch. 21:
    • She may be saved by your efforts, by your resource and fortitude bearing up against the heavy weight of guilt and failure.
  • * 2012 Jan. 30, , " The Strategist," Time :
    • Mitt Romney . . . charges that Obama is an appeaser who apologizes for America, lacks fortitude and is "tentative, indecisive, timid and nuanced."
  • (archaic) Physical strength.
  • * 1604 , , Othello , act 1, sc. 3:
    • DUKE OF VENICE: The Turk with a most mighty preparation makes for
    Cyprus. Othello, the fortitude of the place is best
    known to you.

    Synonyms

    * (mental or emotional strength) inner strength, moxie, resolve

    soundness

    English

    Noun

  • (uncountable) The state or quality of being sound.
  • (countable) The result or product of being sound.
  • (logic) The property (of an argument) of not only being valid, but also of having true premises.
  • (logic) The property of a logical theory that whenever a wff is a theorem then it must also be valid. Symbolically, letting T'' represent a theory within logic ''L'', this can be represented as the property that whenever T \vdash \phi is true, then T \vDash \phi must also be true, for any wff ''φ'' of logic ''L .