Common mistake reason why (reason)

Common Mistake: Using "reason why" instead of "reason"

One common mistake that many people make is using the phrase "reason why" when the word "reason" alone would suffice. This mistake often occurs in both written and spoken English.

What is the mistake?

The mistake lies in the unnecessary use of the word "why" after the word "reason." The word "reason" itself already implies the presence of a cause or explanation, rendering the word "why" redundant.


  • Incorrect: The reason why I am late is because of the heavy traffic.
  • Correct: The reason I am late is because of the heavy traffic.

In the example above, the word "why" is unnecessary, as the sentence could be simply and effectively expressed without it.

Why does this mistake occur?

This mistake often happens because individuals may mistakenly believe that using the phrase "reason why" adds emphasis or clarity to their statement. However, this is a misconception, as the word "reason" on its own is sufficient to convey meaning.

Why is it important to avoid this mistake?

Avoiding this common mistake helps to maintain clarity and conciseness in your writing or speech. By using the word "reason" correctly, you demonstrate a strong command of the English language and avoid unnecessary redundancy.

How can Linguix grammar checker help?

Linguix grammar checker is an essential tool that can assist in identifying and correcting such common mistakes in your writing. With its advanced algorithms and thorough analysis capabilities, Linguix can help ensure that your writing is free from errors and inconsistencies.

reason why (reason) mistake examples

  • Incorrect:
    The reason why I did that is simple.

    The reason I did that is simple.

  • Correct:
    The reason I did that is simple.
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