preach vs puzzle

preach

verb
  • To give advice in an offensive or obtrusive manner. 

  • To proclaim by public discourse; to utter in a sermon or a formal religious harangue. 

  • To give a sermon. 

  • To advise or recommend earnestly. 

  • To teach or instruct by preaching; to inform by preaching. 

puzzle

verb
  • To think long and carefully, in bewilderment. 

  • To perplex, confuse, or mystify; to cause (someone) to be faced with a mystery, without answers or an explanation. 

  • To make intricate; to entangle. 

noun
  • Anything that is difficult to understand or make sense of. 

  • A riddle. 

  • The state of being puzzled; perplexity. 

  • A game for one or more people that is more or less difficult to work out or complete. 

  • A jigsaw puzzle. 

  • A crossword puzzle. 

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