catty-corner vs sidewards

catty-corner

adv

  • Synonym of cater-corner: diagonally across from. 

adj

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

sidewards

adv

  • Toward a side. 

adj

  • Toward a side. 

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