mosaic vs photomontage

mosaic

noun
  • A composite picture made from overlapping photographs. 

  • A piece of artwork created by placing colored squares (usually tiles) in a pattern so as to create a picture. 

  • Any of several viral diseases that cause mosaic-like patterns to appear on leaves. 

  • pixelization (method of censorship) 

  • An individual composed of two or more cell lines of different genetic or chromosomal constitution, but from the same zygote. 

verb
  • To arrange in a mosaic. 

adj
  • Containing cells of varying genetic constitution. 

photomontage

noun
  • A composite image combining two or more photographs. 

  • The art of constructing such images. 

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