grouch vs termite

grouch

noun
  • A complaint, a grumble, a fit of ill-humor. 

  • One who is grumpy or irritable. 

verb
  • To be grumpy or irritable; to complain. 

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