Compare a person or main concern with a guiding belief.

The idea

A principal can lead a school; as an adjective, principal means main. A principle is a guiding rule or belief.

Patterns to compare
WordMeaning
principala school leader; main or most important
principlea guiding rule or belief

Examples

  • The principal welcomed the new pupils.
  • A parent spoke with the school principal.
  • Cost was the principal concern.
  • The principal reason was lack of time.
  • Fairness is a guiding principle here.
  • The committee followed its principle of openness.

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Watch out

Do not spell the main reason with principle: the adjective is principal.

Try it yourself

  1. Choose the correct word. The school ___ announced a new timetable. (principal / principle)

    Show answer or example answer

    principal

    principal: The sentence refers to the school leader.

  2. Choose the correct word. Their guiding ___ is to treat everyone fairly. (principal / principle)

    Show answer or example answer

    principle

    principle: Fair treatment is a guiding rule.

  3. Choose the correct word. The ___ aim of the project is cleaner water. (principal / principle)

    Show answer or example answer

    principal

    principal: The aim is the main one.

Use it today

Name a school leader, a main aim and a rule you value.