accentuate vs apostrophize

accentuate

verb
  • To mark with a written accent. 

  • To pronounce with an accent or vocal stress. 

  • To bring out distinctly; to make more noticeable or prominent; to emphasize. 

apostrophize

verb
  • To add one or more apostrophe characters to text to indicate missing letters. 

  • To deliver an apostrophe (an exclamatory speech) to someone, especially someone not present. 

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