acrobat vs showman

acrobat

noun
  • An athlete who performs acts requiring skill, agility and coordination, often as part of a circus performance. 

verb
  • To move like an acrobat (with agility, balance, long leaps, etc.). 

  • To practise acrobatics. 

showman

noun
  • A person skilled in dramatic or entertaining presentation, performance, or publicity. 

  • A person who produces or presents shows as a profession, especially the proprietor, manager, or MC of a circus or variety show. 

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