“Principle” is a noun. It can be described as a rule or idea in relation to behaviour or how something works. “Principal”, on the other hand, can be either used as a noun or an adjective. As an adjective, it can be used to signify the first position in order of importance, or in relation to financial investment or lending. As a noun, it can be used to describe a person of the highest position in an organisation or group, or can also be used in relation to financial investment or lending.
Because they are pronounced the same but have different meanings, we call these words homophones. These words are often confused – even by native English speakers. So, how to tell the difference between them? In this IELTS Grammar 101, we’ll give you some tips on telling them apart.
Difference between principle and principal
Synonyms of principle and principal
Use principle and principal in a sentence
Principle or principal: the definitions
Principle
Is a noun: A word that refers to a person, place, thing, event, substance, or quality.
Principal
Can be either –
An adjective: A word that describes a person, place, thing, event, substance or quality.
A noun: A word that refers to a person, place, thing, event, substance, or quality.
Principle or principal: the difference
Principle
A rule or truth about what is right or how you should behave
Principal
Adjective: The main, primary or first, in order of importance
Adjective: The original sum invested or lent
Noun: The person of utmost position or importance in an organisation or group
Noun: The sum of money that has been invested or lent, on which interest is paid.
Principle or principal: the synonyms
Principle
Could also mean (synonyms): basis, doctrine, foundation, fundamental, proposition, truth.
Principal
Synonyms include: dominant, key, leading, main, paramount, primary, prominent, administrator, boss, chief, director, CEO, capital sum, capital, working capital.