arc up vs sadden

arc up

verb
  • To become upset or angry. 

sadden

verb
  • To become sad or unhappy. 

  • To darken a color during dyeing. 

  • To make sad or unhappy. 

  • To render heavy or cohesive. 

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