preach vs speechify

preach

verb
  • 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. 

  • To give advice in an offensive or obtrusive manner. 

speechify

verb
  • To give a speech; to hold forth; (now especially) to pronounce pompously or at length. 

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