grub vs termite

grub

noun
  • A despicable person; a lowlife. 

  • An insect at an immature stage of its life cycle. 

  • Food. 

  • A dirty person. 

verb
  • To scavenge or in some way scrounge, typically for food. 

  • To dig; to dig up by the roots; to root out by digging; often followed by up. 

termite

noun
  • A contemptible person. 

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

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 grub and termite occurred in a corpus of books? (source: Google Ngram Viewer )