Common mistake principal (principle)

Common Mistake: Principal vs Principle

One common mistake that people often make is confusing the words "principal" and "principle." These two words may sound similar, but they have different meanings and usage. Let's dive into the differences between the two and see how they should be used correctly.

Principal

The word "principal" can be used as both a noun and an adjective. As a noun, "principal" refers to the head or main person in a group or organization. For example:

  • The principal of the school welcomed the students on their first day.
  • She is the principal investor in the new startup.

As an adjective, "principal" means primary or main. For example:

  • The company's principal goal is to increase its market share.
  • Please provide your principal reason for making this decision.

Principle

The word "principle" is a noun that refers to a fundamental truth, law, or rule. It is used to describe a guiding belief or value. For example:

  • Honesty is an important principle in personal relationships.
  • The company operates based on the principle of sustainability.

Now that we understand the difference between "principal" and "principle," let's look at some examples of common mistakes:

  • Incorrect: He violated his own principals in that situation.
  • Correct: He violated his own principles in that situation.
  • Incorrect: The company's principle office is located in New York.
  • Correct: The company's principal office is located in New York.

Linguix Grammar Checker: To avoid making mistakes like these, you can use the Linguix Grammar Checker. It is a helpful tool that highlights errors and provides suggestions for improvement, ensuring your writing is clear and accurate.

principal (principle) mistake examples

  • Incorrect:
    In principal I don't think it will be too difficult.

    Correct:
    In principle I don't think it will be too difficult.

  • Correct:
    In principle, I don't think it will be too difficult.
  • Correct:
    Each award of more than $1,000 in principal amount
  • Correct:
    In principle, I don't think it will be too difficult.
  • Incorrect:
    In this discussion we have endeavored to do this: to point out basic principals of liberty in which all people can believe.

    Correct:
    In this discussion we have endeavored to do this: to point out basic principles of liberty in which all people can believe.

  • Incorrect:
    Ptolemy sets out the general principals of astrology.

    Correct:
    Ptolemy sets out the general principles of astrology.

  • Incorrect:
    The principle activity of the Foundation is centred on humanitarian aid and charity, especially with regards to children.

    Correct:
    The principal activity of the Foundation is centred on humanitarian aid and charity, especially with regards to children.

  • Correct:
    The principal activity of the Foundation is focused on humanitarian aid and charity.
  • Incorrect:
    Dr. Doe was listed as the grant's principle investigator.

    Correct:
    Dr. Doe was listed as the grant's principal investigator.

  • Incorrect:
    Laundering money was the mob's principle activity.

    Correct:
    Laundering money was the mob's principal activity.

  • Incorrect:
    Mr Brown is our new school principle.

    Correct:
    Mr Brown is our new school principal.

  • Incorrect:
    He told me it's against his principals to drink alcohol.

    Correct:
    He told me it's against his principles to drink alcohol.

  • Incorrect:
    This violates all principals of the Constitution.

    Correct:
    This violates all principles of the Constitution.

  • Incorrect:
    Always stick to your principals.

    Correct:
    Always stick to your principles.

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