forced vs unpretentious

forced

adj
  • Produced by strain; not spontaneous; unsincere. 

  • Opened or accessed using force. 

  • Obtained forcefully, not naturally. 

unpretentious

adj
  • Simple, humble, not pretentious, plain. 

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