Final answer:
In this question, the pair of words that represent opposites are 'Synonym' and 'Antonym'.
Step-by-step explanation:
The pair of words that are opposites in this question is 'Synonym' and 'Antonym'. A synonym refers to a word that has a similar meaning to another word, while an antonym refers to a word that has the opposite meaning of another word. For example, 'happy' and 'sad' are antonyms because they have opposite meanings.
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