delayer vs morepork

delayer

noun
  • One who delays. 

  • A substance that is used to slow the rate of combustion of a solid rocket fuel so as to make it more controllable 

verb
  • To remove layers from; to strip away levels from. 

morepork

noun
  • A person who is lazy or slow; a slowcoach, a slowpoke. 

  • A foolish person; also, a person who is wearisome. 

  • The Tasmanian spotted owl (Ninox novaeseelandiae), a small brown owl indigenous to New Zealand and Tasmania. 

intj
  • The call of a morepork. 

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