acquaint vs inform

acquaint

verb
  • To furnish or give experimental knowledge of; to make (one) know; to make familiar. 

inform

verb
  • To communicate knowledge to. 

  • To give form or character to; to inspire (with a given quality); to affect, influence (with a pervading principle, idea etc.). 

  • To act as an informer; denounce. 

  • To impart information or knowledge. 

adj
  • Without regular form; shapeless; ugly; deformed. 

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