louse vs termite

louse

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

verb
  • To remove lice from; to delouse. 

termite

noun
  • A white-bodied, wood-consuming insect of the infraorder Isoptera, in the order Blattodea. 

  • A contemptible person. 

verb
  • Of a chimpanzee: to catch termites by inserting a stick or vine into their nest and waiting for them to climb up it. 

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