downtone vs minimize

downtone

verb
  • To tone down; to make less emphatic or significant; to downplay. 

minimize

verb
  • To relegate or assign (something) to a less insignificant status; diminish. 

  • To treat (someone) in a slighting manner. 

  • To make (something) smaller or as small as possible; shrink; reduce. 

  • To remove (a window) from the main display area, collapsing it to an icon or caption. 

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