climb vs regress

climb

verb
  • To mount; to move upwards on. 

  • To move to a higher position on the social ladder. 

  • to jump high 

  • Of plants, to grow upwards by clinging to something. 

  • To move (especially up and down something) by gripping with the hands and using the feet. 

  • to practise the sport of climbing 

  • To scale; to get to the top of something. 

  • To ascend; rise; to go up. 

noun
  • The act of getting to somewhere more elevated. 

  • An upwards struggle 

  • An act of climbing. 

regress

verb
  • To move from east to west. 

  • To move backwards to an earlier stage; to devolve. 

  • To perform a regression on an explanatory variable. 

  • To interrogate a person in a state of trance about forgotten elements of their past. 

noun
  • The act of passing back; passage back; return; retrogression. 

  • In property law, the right of a person (such as a lessee) to return to a property. 

  • The power or liberty of passing back. 

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