breach vs intrusion

breach

noun
  • A breaking out upon; an assault. 

  • The act of breaking, in a figurative sense. 

  • A breaking or infraction of a law, or of any obligation or tie; violation; non-fulfillment 

  • A difference in opinions, social class etc. 

  • A breaking of waters, as over a vessel or a coastal defence; the waters themselves 

  • A breaking up of amicable relations, a falling-out. 

  • A gap or opening made by breaking or battering, as in a wall, fortification or levee / embankment; the space between the parts of a solid body rent by violence 

verb
  • To break into a ship or into a coastal defence. 

  • To make a breach in. 

  • To leap out of the water. 

  • To violate or break. 

  • To charge or convict (someone) of breaching the terms of a bail, probation, recognizance, etc. 

intrusion

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

  • 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. 

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

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