incursion vs trespass

incursion

noun
  • An aggressive movement into somewhere; an invasion. 

trespass

noun
  • An intentional interference with another's property or person. 

verb
  • To decree that a person shall be arrested for trespassing if he or she returns to someone else's land. 

  • To go too far; to put someone to inconvenience by demand or importunity; to intrude. 

  • To enter someone else's property illegally. 

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