exploded view vs swallowtail

exploded view

noun
  • A view in a drawing showing the parts in an assembly separated outwardly, with an indication of how they fit together. 

swallowtail

noun
  • Anything, such as a burgee, of a similar forked shape. 

  • A type of tailcoat with two long tapering tails.ᵂᵖ 

  • The forked tail of a swallow. 

  • Any of various butterflies of the family Papilionidae, many of which have a long extension to each hindwing. 

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