hardened vs warm

hardened

adj
  • Unfeeling; pitiless; callous. 

  • Inured; toughened. 

  • Firmly established or unlikely to change; inveterate. 

  • Having extra defences against attack; highly fortified. 

warm

adj
  • Communicating a sense of comfort, ease, or pleasantness 

  • Caring and friendly, of relations to another person. 

  • Having a color in the red-orange-yellow part of the visible electromagnetic spectrum. 

  • Having a temperature slightly higher than usual, but still pleasant; mildly hot. 

  • Close, often used in the context of a game in which "warm" and "cold" are used to indicate nearness to the goal. 

  • Fresh, of a scent; still able to be traced. 

verb
  • To scold or abuse verbally. 

  • To become ardent or animated. 

  • To make engaged or earnest; to interest; to engage; to excite ardor or zeal in; to enliven. 

  • To become warm, to heat up. 

  • (sometimes in the form warm up) To favour increasingly. 

  • To prepopulate (a cache) so that its contents are ready for other users. 

  • To make or keep warm. 

  • To beat or spank. 

noun
  • The act of warming, or the state of being warmed; a heating. 

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