Irk vs Wight

Irk

name
  • A river in Greater Manchester, England, which joins the River Irwell in Manchester city centre. 

Wight

name
  • A sea area comprising part of the English Channel, from the southern English coast down to Normandy 

  • A surname. 

  • The Isle of Wight. 

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