delayer vs welcher

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. 

welcher

noun
  • One who welches. 

  • A Welshman or person of Welsh descent. 

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