acrobat vs balancer

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. 

balancer

noun
  • An acrobat. 

  • One who, or that which, balances. 

  • Any of the rear wings of certain insects used for stability in flight. 

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