PA vs number two

PA

noun
  • Power amplifier. 

  • Public accountant. 

  • Public Act. 

name
  • Pennsylvania, a state of the United States of America 

  • Papua, a province of Indonesia 

  • Pará, a state of Brazil 

  • Palestinian Authority 

  • Proto-Algic (sometimes abbreviated PAc to distinguish it from Proto-Algonquian) 

  • Proto-Athapaskan 

  • Proto-Algonquian (sometimes abbreviated PAn to distinguish it from Proto-Algic, but usually just abbreviated PA with Proto-Algic being abbreviated PAc) 

number two

noun
  • A somewhat small town, between a number one and a number three, where the success of a theatrical performance is unlikely to be very great. 

  • The batsman who opens alongside the number one, but does not face the first delivery. 

  • mistress (the other woman in an extramarital relationship, generally including sexual relations) 

  • A pencil with hardness level 2. 

  • A first mate. 

  • Feces; the act of defecation. 

  • A primary assistant; vice-leader. 

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