dilate vs montage

dilate

verb
  • To speak largely and copiously; to dwell in narration; to enlarge; with "on" or "upon". 

  • To enlarge; to make bigger. 

  • To use a dilator to widen (something, such as a vagina). 

  • To become wider or larger; to expand. 

montage

verb
  • To combine into, or depict as, a montage. 

noun
  • The art or process of doing this. 

  • A composite work, particularly an artwork, created by assembling or putting together other elements such as pieces of music, pictures, texts, videos, etc. 

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