compatible vs variant

compatible

noun
  • Something that is compatible with something else. 

adj
  • Able to get along well. 

  • Capable of easy interaction. 

  • Consistent; congruous. 

variant

noun
  • Something that is slightly different from a type or norm. 

  • A different sequence of a gene (locus). 

  • A variable that can hold any of various unrelated data types. 

  • One of a set of words or other linguistic forms that conveys the same meaning or serves the same function. 

adj
  • Showing deviation or disagreement. 

  • Showing variety, diverse. 

  • Covariant and/or contravariant. 

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