dolt vs mummer

dolt

noun
  • A stupid person; a blockhead or dullard. 

mummer

verb
  • Synonym of mum (“to act in pantomime or dumb show”) 

noun
  • A person who dons a disguising costume, as for a parade or a festival. 

  • An actor in a pantomime; one who communicates entirely through gesture and facial expression. 

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