ascend vs move up

ascend

verb
  • To go up. 

  • To slope in an upward direction. 

  • To become higher in pitch. 

  • To move upward, to fly, to soar. 

  • To succeed. 

  • To trace, search or go backwards temporally (e.g., through records, genealogies, routes, etc.). 

  • To lose one's virginity, especially of a man through unpaid and consensual sexual intercourse with a woman. 

  • To rise; to become higher, more noble, etc. 

move up

verb
  • To raise, put onto a higher place. 

  • To move forward (especially when waiting in a queue / line). 

  • To move one's position to allow others to occupy a place. 

  • To be promoted. 

  • To pass to a higher level. 

  • To put higher on a list. 

  • To promote, put onto a higher level. 

  • To reschedule (something) to an earlier date or time. 

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