breather vs moratorium

breather

noun
  • A heavy breather. 

  • A short break; a rest or respite. 

  • A spatially localized, time-periodic excitation in a one-dimensional lattice. 

  • An air inlet path to the crankcase 

  • Something or someone that breathes. 

moratorium

noun
  • A suspension of an ongoing activity. 

  • An authorization to a debtor, permitting temporary suspension of payments. 

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