Final answer:
Homonyms are types of words that are spelled differently but sound the same.
Step-by-step explanation:
The correct answer is option B. Homonyms are types of words that are spelled differently but sound the same. Homonyms are words that have the same pronunciation but different meanings and may also have different spellings. For example, 'two' and 'too' are homonyms because they sound the same but have different spellings and meanings.
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