get over vs mongrelize

get over

verb
  • To successfully communicate; to get across. 

  • To recover (from). 

  • To forget and move on. 

  • To overcome. 

  • To score a try. 

mongrelize

verb
  • To cross-breed 

  • To breed a mongrel 

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