attribute vs identifier

attribute

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

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

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

  • A word that qualifies a noun. 

  • 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. 

identifier

noun
  • A code that distinguishes a particular element from all other elements in a document. 

  • One who identifies as a particular type or role; one who says and believes that they are a certain thing. 

  • A formal name used in source code to refer to a variable, function, procedure, package, etc. or in an operating system to refer to a process, user, group, etc. 

  • A primary key. 

  • Someone who identifies; a person who establishes the identity of someone or something. 

  • A guidebook that helps determine the specific class of an object (such as a mushroom, herb, fish, bird, drug, or mineral), or its individual identity (such as that of a star). 

  • Something that identifies or uniquely points to something or someone else. 

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