mar vs uglify

mar

verb
  • To spoil; to ruin; to scathe; to damage. 

noun
  • A small lake. 

  • A blemish. 

uglify

verb
  • To make ugly; to destroy or worsen the appearance or attractiveness of. 

  • Synonym of minify 

  • To become ugly. 

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