PA vs subaltern

PA

noun
  • Public accountant. 

  • Power amplifier. 

  • 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) 

subaltern

noun
  • A subordinate. 

  • A subaltern proposition; a proposition implied by a universal proposition. 

  • A member of a group that is socially, politically and geographically outside of the hegemonic power structure of the colony and of the colonial homeland. 

  • A commissioned officer having a rank below that of captain; a lieutenant or second lieutenant. 

adj
  • Asserting only a part of what is asserted in a related proposition. 

  • Of a lower rank or position; inferior or secondary; especially (military) ranking as a junior officer, below the rank of captain. 

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