crossing vs interfusion

crossing

noun
  • A pair of intersecting edges. 

  • The volume formed by the intersection of chancel, nave and transepts in a cruciform church; often with a tower or cupola over it. 

  • A voyage across a body of water. 

  • A place at which a river, railroad, or highway may be crossed. 

  • The act by which terrain or a road etc. is crossed. 

  • A pair of parallel lines printed on a cheque 

  • Movement into a crossed position. 

  • An intersection where roads, lines, or tracks cross. 

adj
  • Extending or lying across; in a crosswise direction. 

interfusion

noun
  • Mutual fusion or blending 

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