malleable vs weathery

malleable

adj
  • Flexible, liable to change. 

  • Able to be hammered into thin sheets; capable of being extended or shaped by beating with a hammer, or by the pressure of rollers. 

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

weathery

adj
  • Subject to frequent changes (of direction or fortune, for example). 

  • Lacking in flavour as a result of the leaves having been harvested during mid-season rains. 

  • Accompanied by or featuring wind and/or precipitation. 

  • Worn or otherwise affected by weather; (of a person's features or body) showing signs of age or wear. 

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