earwig vs mother-of-pearl

earwig

noun
  • Any of various insects of the order Dermaptera that have elongated bodies, large membranous wings folded underneath short leathery forewings and a pair of large pincers protruding from the rear of the abdomen. 

  • A flatterer. 

  • One who whispers insinuations; a secret counsellor. 

verb
  • To eavesdrop. 

  • To fill the mind of with prejudice by insinuations. 

  • To attempt to influence by persistent confidential argument or talk. 

  • To eavesdrop on. 

mother-of-pearl

noun
  • A butterfly of the genus Salamis. 

  • The hard pearly inner layer of certain mollusk shells; nacre. 

adj
  • Made from or looking like mother-of-pearl; iridescent or pearly. 

How often have the words earwig and mother-of-pearl occurred in a corpus of books? (source: Google Ngram Viewer )