coprime vs incongruous

coprime

adj
  • Having no positive integer factors, aside from 1, in common with one or more specified other positive integers. 

  • Whose greatest common divisor is a nonzero constant (i.e., polynomial of degree 0). 

  • Having no positive integer factors in common, aside from 1. 

incongruous

adj
  • Of two numbers, with respect to a third, such that their difference can not be divided by it without a remainder. 

  • Not similar or congruent; not matching or fitting in. 

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