flyblow vs grub

flyblow

noun
  • The larva of the blowfly, especially when found on rotten meat. 

verb
  • To deposit eggs upon, as a blowfly does on meat; to cause to be maggoty. 

  • To taint or contaminate. 

grub

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

  • Food. 

  • A dirty person. 

  • A despicable person; a lowlife. 

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. 

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