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Module 7: Other Common Errors
We’ve covered common spelling, grammar, and punctuation errors…now it’s time to take a look at everything else! Take our guided tour through common errors relating to Latin terms, abbreviations, acronyms and initialisms, number use, and capitalization.
How This Module Works
Each lesson in this module addresses a different issue that readers often encounter in many kinds of writing. So whether you’re proofreading or writing the text, it’s valuable to know the pitfalls to avoid!
Lesson 7.1: Latin Terms
Read up on common Latin terms, such as e.g., i.e., etc., and more – you know more Latin than you thought, and soon you’ll know how to use it perfectly!
Lesson 7.2: Acronyms, Initialisms, And Other Abbreviations
Discover the differences between NASA and the FBI and why it matters for proofreaders.
Lesson 7.3: Number Use
Learn when to write numbers as numerals, when to write them as words, and how to present measurements and more.
7.4: Capitalization, Other Issues, And Common Questions
Get up to speed on the rules of capitalization, then explore proofreading issues related to URLs, diacritics, misused idioms, and more.
Lesson 7.5: Module Quiz
Take our 15-question quiz to review what you’ve learned before you move on to the next module.
Learn About The Full Course

Why Is This Helpful to Know?
The more familiar you are with commonly made errors, the less likely you are to make them and the more likely you are to spot them in a client’s work. The fewer errors there are in a piece of writing, whether it’s web copy, a professional email, or an academic essay, the more effective it will be.
You can use the knowledge you gain through this module to create a checklist of common errors to look out for. Then, whether working as a proofreader, editor, or freelance writer, you’ll be able to deliver a valuable and thorough service – and keep clients coming back for more!
Read More About Common Errors
Want some extra reading? Over on our blog, we’ve got a wealth of practical tips for avoiding the common errors discussed in this module – and much more besides!
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