Chancellor vs frow

Chancellor

noun
  • An honorific for the head of state of a republic in Germany. 

frow

noun
  • A woman; a wife, especially a Dutch or German one. 

  • A cleaving tool with handle at right angles to the blade, for splitting cask staves and shingles from the block; a frower. 

adj
  • Brittle; tender; crisp 

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