overtop vs superate

overtop

verb
  • To be higher than; to rise over the top of. 

  • To place too many toppings on. 

adv
  • Over the top. 

superate

verb
  • To rise above; to overtop; to cover. 

  • To cross; to surmount; to get over. 

  • To overcome; to conquer. 

  • To outdo; to surpass; to exceed. 

  • To overtake. 

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