attribute vs etymon

attribute

noun
  • A word that qualifies a noun. 

  • That which is predicated or affirmed of a subject; a predicate; an accident. 

  • A semantic item with which a method or other code element may be decorated. 

  • An object that is considered typical of someone or some function, in particular as an artistic convention. 

  • A characteristic or quality of a thing. 

  • An option or setting belonging to some object. 

verb
  • To ascribe (something) to a given cause, reason etc. 

  • To associate ownership or authorship of (something) to someone. 

etymon

noun
  • Meaning as derived and conveyed thereby: The literal meaning of a term according to its origin, which may differ from its usual meaning when the latter relies on idiomatic conventions that are not conveyed by the term alone (that is, they must be known in other ways, such as experience, training, education, or dictionary lookup). 

  • The original or earlier form of an inherited or borrowed word, affix, or morpheme either from an earlier period in a language's development, from an ancestral language, or from a foreign language. 

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