guerrilla vs guerrilla warfare

guerrilla

noun
  • A soldier in a small independent group, fighting against the government or regular forces by surprise raids. 

adj
  • Relating to, using, or typical of guerrilla warfare, or its principles of small independent or non-official perpetrators. 

  • Relating to, using, or typical of guerrilla marketing. 

  • Using unconventional, non-traditional, non-mainstream and often subversive practices to achieve something. 

guerrilla warfare

noun
  • Combat using groups of irregular, light, mobile troops within areas occupied by an enemy force, usually through hit-and-run tactics. 

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