scruff vs turd

scruff

noun
  • The loose skin at the back of the neck of some animals. 

  • The back of the neck, nape; also scruff of the neck. 

  • Someone with an untidy appearance. 

  • Stubble, facial hair (on males). 

verb
  • To lift or carry by the scruff. 

turd

noun
  • A piece of solid animal or human feces. 

  • A worthless person or thing. 

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