ascend vs plunk

ascend

verb
  • To become higher in pitch. 

  • To slope in an upward direction. 

  • 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 go up. 

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

plunk

verb
  • To intentionally hit the batter with a pitch. 

  • To pluck and quickly release (a musical string). 

  • To be a truant from (school). 

  • To croak. 

  • To land suddenly or heavily; to plump down. 

  • To drop or throw something heavily onto or into something else, so that it makes a dull sound. 

noun
  • The dull thud of something landing on a surface. 

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