bleacher vs bleachery

bleacher

noun
  • One who, or that which, bleaches. 

  • A stand of tiered planks used as seating for spectators, often outdoors. 

  • The tiered seating provided for the audience at a television filming. 

bleachery

noun
  • A place or an establishment where bleaching is done. 

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