Empress vs Pennant

Empress

name

  • A village in Alberta, Canada. 

Pennant

name

  • A village in the Rural Municipality of Riverside No. 168, Saskatchewan, Canada. 

  • A hamlet in Denbighshire (OS grid ref SJ0234). 

  • A small settlement in Gwynedd (OS grid ref SH9020). 

  • A village in Dyffryn Arth community, Ceredigion (OS grid ref SN5163). 

  • A small village in Powys (OS grid ref SN8897). 

  • A hamlet in Conwy county borough (OS grid ref SH8759). 

  • A surname. 

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