acquiescence vs malleability

acquiescence

noun
  • Inaction, passivity, or neglect to take legal action when it is called for in order to assert, preserve, or safeguard a right, and which inaction implies the abandonment of said right. 

  • A silent or passive assent or submission, or a submission with apparent content, distinguished from avowed consent on the one hand, and on the other, from opposition or open discontent; quiet satisfaction. 

malleability

noun
  • The property by virtue of which a material can be extended in all directions without rupture by the application of load; a material's ability to be bent, formed, or shaped without cracking or breaking. 

  • The quality or state of being malleable. 

  • a property of a cryptographic algorithms in which an adversary can alter a ciphertext such that it decrypts to a related plaintext 

How often have the words acquiescence and malleability occurred in a corpus of books? (source: Google Ngram Viewer )