benefit vs intrusion

benefit

noun
  • An advantage; help or aid from something. 

  • An event, such as a theatrical performance, given to raise funds for some cause. 

  • A payment made in accordance with an insurance policy or a public assistance scheme. 

  • Intended audience (as for the benefit of). 

verb
  • To be or to provide a benefit to. 

  • To receive a benefit (from); to be a beneficiary. 

intrusion

noun
  • The insertion of a phoneme into the pronunciation of a word despite its absence from the spelling. (e.g. intrusive r) 

  • A structure that lies within a historic district but is nonhistoric and irrelevant to the district. 

  • The forcible inclusion or entry of an external group or individual; the act of intruding. 

  • Magma forced into other rock formations; the rock formed when such magma solidifies. 

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