Beamer vs beamer

Beamer

noun
  • A BMW car or motorcycle. 

  • An employee of International Business Machines Corporation (IBM). 

beamer

noun
  • A device that projects or transmits matter, information, or energy. 

  • A big smile. 

  • A gymnast proficient with or specializing in the balance beam. 

  • A ball, presumed to have been bowled accidentally, that does not bounce, but reaches the batsman above the waist. 

  • A projector. 

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