aberrant vs estray

aberrant

noun
  • A person or object that deviates from the rest of a group. 

  • A group, individual, or structure that deviates from the usual or natural type, especially with an atypical chromosome number. 

adj
  • Differing from the norm. 

  • Straying from the right way; deviating from morality or truth. 

  • Deviating from the ordinary or natural type; exceptional; abnormal. 

estray

noun
  • An animal that has escaped from its owner; a wandering animal whose owner is unknown. An animal cannot be an estray when on the range where it was raised, and permitted by its owner to run. A lost animal whose owner is known to the party at hand is not an estray. 

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