lasting vs variant

lasting

noun
  • A durable woollen material formerly used for women's shoes. 

  • The act or process of shaping footwear on a last. 

adj
  • Persisting for an extended period of time. 

variant

adj
  • Showing deviation or disagreement. 

  • Showing variety, diverse. 

  • Covariant and/or contravariant. 

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. 

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