variant vs variate

variant

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

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

  • A different sequence of a gene (locus). 

  • 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. 

variate

noun
  • random variable 

  • The measured magnitude of a variable. 

  • A variable, often the set of x values plotted on a graph. 

  • A measurable quantity capable of taking on a number of values. 

verb
  • To alter; to vary; to make or become different. 

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