Broom vs Principality

Broom

name
  • A hamlet in Kilgetty/Begelly community, Pembrokeshire, Wales (OS grid ref SN1108). 

  • A village in Bedfordshire, England. 

  • A village in Bidford-on-Avon parish, Stratford-on-Avon district, Warwickshire, England (OS grid ref SP0853). 

  • A locality in Thorncombe parish, west Dorset, England, on the boundary with Devon and close to Somerset (OS grid ref ST3202). 

  • A surname. 

Principality

name
  • Wales 

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