catty-corner vs cornerways

catty-corner

adv

  • Synonym of cater-corner: diagonally across from. 

adj

  • Synonym of cater-corner: diagonally across from one another. 

cornerways

adv

  • Diagonally. 

How often have the words catty-corner and cornerways occurred in a corpus of books? (source: Google Ngram Viewer )