hom·on·y·my /-mi/
  同義
  homonymy
  同音異義
  Ho·mon·y·my n.
  1. Sameness of name or designation; identity in relations.
     Homonymy may be as well in place as in persons.   --Fuller.
  2. Sameness of name or designation of things or persons which are different; ambiguity.
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