mutability

1. The quality or state of being mutable.
   • 1749, Henry Fielding, The History of Tom Jones, a Foundling. In Six Volumes, volume (please specify ), London: Printed by A[ndrew] Millar, […], OCLC 928184292 ↗:

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     He did indeed account somewhat unfairly for this sudden change; for besides some hard and unjust surmises concerning female fickleness and mutability, he began to suspect that he owed this want of civility to his want of horses […]

   • There rise authors now and then, who seem proof against the mutability of language, because they have rooted themselves in the unchanging principles of human nature.

• German: Veränderbarkeit, Veränderlichkeit, Mutabilität
• Italian: mutevolezza
• Spanish: mutabilidad