ENGLISH VOCABULARY GUIDE

Principal vs Principle: A Simple Explanation

Principal can identify a leading person or the main part of something. Principle refers to a rule, value, or basic truth.

Clear Explanation

• A school principal is a person.

• Principal can be an adjective meaning main.

• In finance, principal is the original amount of money.

• A principle is a rule, belief, or foundational idea.

• The plural principles is common when discussing standards.

Examples

The principal welcomed the new students.
Cost was the principal concern.
Fairness is an important principle.

Quick Comparison

Common Mistake

Do not use principle as the adjective meaning main.

Frequently Asked Questions

Can principal describe money?

Yes. It is the original sum before interest.

How can I remember principle?

A principle is a rule or idea rather than a person.

Is principal an adjective?

Yes. Principal can mean main or most important.

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