Swabian vs Swabish

Swabian

noun

  • A person from Swabia. 

name

  • One of the Upper German dialects of High German, spoken in the region of Swabia; Swabish. 

adj

  • of or pertaining to Swabia. 

Swabish

noun

  • A person from Swabia. 

adj

  • of or pertaining to Swabia; Swabian. 

name

  • One of the Upper German dialects of High German, spoken in the region of Swabia; Swabian. 

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