Purchase vs Worthen

Purchase

name
  • A hamlet in Harrison, New York. 

  • A surname. 

Worthen

name
  • A village in Worthen with Shelve parish, western Shropshire, England (OS grid ref SJ3204). 

  • A surname. 

  • An unincorporated community in Galla Township, Pope County, Arkansas, United States. 

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