overtop vs subdue

overtop

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

  • To place too many toppings on. 

adv
  • Over the top. 

subdue

verb
  • To overcome, quieten, or bring under control. 

  • To bring (a country) under control by force. 

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