superate vs surmount

superate

verb
  • To cross; to surmount; to get over. 

  • To overcome; to conquer. 

  • To rise above; to overtop; to cover. 

  • To outdo; to surpass; to exceed. 

  • To overtake. 

surmount

verb
  • To get over; to overcome. 

  • To cap; to sit on top of. 

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