laundromat vs showing

laundromat

noun
  • A self-service laundry facility with (traditionally) coin-operated (which now may use other per-load payment methods) washing machines, dryers, and sometimes ironing or pressing machines, open to the public for washing clothing and household cloth items. 

showing

noun
  • An occasion when something is shown. 

  • A result, a judgement. 

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