lumberjack vs oniscid

lumberjack

noun
  • A lumberjacket. 

  • A person whose work is to fell trees. 

verb
  • To work as a lumberjack, cutting down trees. 

oniscid

noun
  • Any of the Oniscidae; a woodlouse. 

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