The preferred plural is indexes. Use indices when you mean “indicators.” Scientists and mathematicians, however, prefer indices in technical writing.
Example: The author compiled the indexes for his various books, most discussing various indices of climate change.
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It’s now more important than ever to develop a powerful writing style. After all, most communication takes place in reports, emails, and instant messages.
- Understanding the Parts of Speech
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- Developing a Powerful Writing Style
- Rules on Punctuation
- The Top 25 Grammatical Mistakes
- The Awful Like Word
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