louse vs scamp

louse

noun
  • A small parasitic wingless insect of the order Psocodea. 

verb
  • To remove lice from; to delouse. 

scamp

noun
  • A preliminary design sketch. 

  • A mischievous person, especially a playful, impish youngster. 

  • A rascal, swindler, or rogue; a ne'er-do-well. 

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