English is a complex language with a vast lexicon, which can sometimes lead to confusion, even for native speakers. When learning English, it’s easy to misuse words that sound or look similar. Here are some of the most commonly misused English words, along with their definitions and examples of correct usage.

Accept
This is a verb that means to receive something willingly or to give consent.
I gladly accept your invitation to dinner.

Except
Preposition used to exclude something or someone.
Everyone except Jennifer has finished the project.

Affect
A verb that means to influence or produce a change in something.
The weather can greatly affect your mood.

Effect
As a noun, it is the result of a change. As a verb, it means to bring about.
The new law had an immediate effect on the economy.

Advice
It is a noun meaning recommendations or guidance.
Could you give me some advice on this issue?

Advise
This is a verb meaning to offer recommendations or information.
My teacher will advise us on how to improve our essays.

Complement
Noun or verb that describes something that enhances or completes.
The red tie really complements your suit.

Compliment
A noun or verb involving praise or flattery.
She complimented me on my new hairstyle.

Desert
As a noun, it refers to a barren area with little rain. As a verb, it means to abandon.
They had to survive in the desert for three days.

Dessert
A noun meaning a sweet course served at the end of a meal.
After dinner, we had ice cream for dessert.

Lose
A verb that means failing to win or to misplace something.
I can’t afford to lose my keys again.

Loose
An adjective that describes something not tight or contained.
These pants are too loose on me now that I’ve lost weight.

Principal
This is a noun referring to the person who has the highest authority, usually at a school. It can also be an adjective meaning the most important.
The principal of our school gave a speech during assembly.

Principle
A noun that refers to a fundamental truth or proposition that serves as the foundation for a system of belief.
Honesty is a guiding principle in my life.

Stationary
An adjective describing something not moving or being still.
The bike remained stationary even though it wasn’t locked.

Stationery
A noun referring to writing materials, such as paper and envelopes.
I bought some stationery to write thank-you notes.

Than
A conjunction used in comparisons.
He is taller than his sister.

Then
An adverb that refers to a point in time or next in sequence.
First we went to the movie, then we had dinner.

By familiarizing yourself with these commonly misused words and practicing their correct usage, you’ll improve your English proficiency and communicate more effectively. Remember, even native speakers occasionally trip over these words, so don’t be discouraged. Keep learning and practicing!