isonym

例句：

1. 1. The word "happy" has different meanings depending on the context.
   这个单词“快乐”根据上下文有不同的意思。
2. 2. The teacher corrected the student's mistake as a synonym for "correct."
   老师纠正了学生的错别字，将其作为“正确”的同义词。
3. 3. The dictionary lists both words as antonyms for "difficult."
   词典将这两个词都列为“困难”的反义词。