deformity vs mutant

deformity

noun
  • An ugly or misshapen feature or characteristic. 

  • The state of being deformed. 

mutant

noun
  • Someone or something that seems strange, abnormal, or bizarre. 

  • That has mutated, with one or more new characteristics from a mutation. 

  • Synonym of mutex 

adj
  • Strange, abnormal, or bizarre. 

  • Of, relating to, undergoing (i.e. mutating), or resulting from change or mutation; that has undergone mutation. 

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