heteronymy

noun6

1. •
   The condition of being heteronyms; the relationship between two words with different meanings and either the same spelling or the same pronunciation but not both.

   • The result of combined tautonymy and heteronymy can be either faster or slower replacement of non-American heteronyms, as these two examples demonstrate. — 2013
2. •
   The use of multiple names for a single person or thing; polyonymy

   • Cases (3) and (4) you might call heteronymies, case (3) being heteronymy in the special sense and case (4) polyonymy. — 2012
3. •
   Dissimilarity of people in a single group.

   • Differentiation simply increases, on a grander scale, the heteronymy and chaos that are the historical attribute of this society. — 1994
4. •
   A single word or symbol that can have different but related meanings.

   • Heteronymies, or propositions false in S by virtue of the meanings of the terms entering in them. — 1961
5. •
   The unrelatedness of words for items that are related by being members of a single category.
6. •
   Resulting from the actions of multiple or external causal agents.

   • If we are to define emotion as distinctly representative in character, must we not ascribe emotion to all the lower animal forms only by heteronymy ? — 1896