scavenger vs vulture

scavenger

noun
  • Someone who scavenges, especially one who searches through rubbish for food or useful things. 

  • A child employed to pick up loose cotton from the floor in a cotton mill. 

  • An animal that feeds on decaying matter such as carrion. 

  • A substance used to remove impurities from the air or from a solution. 

vulture

noun
  • A person who profits from the suffering of others. 

  • Any of several carrion-eating birds of the families Accipitridae and Cathartidae. 

verb
  • To circle around one's target as if one were a vulture. 

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