Commonly Confused Words

Some English words look or sound similar but have different meanings and uses. Learning them as pairs can make the difference easier to remember.

Affect vs Effect

Affect is usually a verb. It means to influence or change something.

Cold weather can affect your mood.
The delay affected everyone on the train.

Effect is usually a noun. It means the result of a change or action.

The new rule had a positive effect.
This medicine can have side effects.

Memory tip: Affect is usually an action; both words begin with a.

Advice vs Advise

Advice is a noun. It is an opinion or suggestion that may help someone. It ends with an s sound.

Can you give me some advice?
Her advice helped me choose a course.

Advise is a verb. It means to give someone advice. It ends with a z sound.

I advise you to book the tickets early.
The doctor advised him to rest.

Memory tip: You receive advice, but someone advises you.

Lose vs Loose

Lose is a verb. It means to no longer have something or to fail to win.

Be careful not to lose your keys.
Our team did not want to lose the final.

Loose is usually an adjective. It means not tight or not firmly attached.

These trousers are too loose for me.
One of the chair legs is loose.

Memory tip: Loose has an extra o, giving the word some extra room.

Borrow vs Lend

Both words describe temporarily sharing something, but the direction is different. You borrow something from someone; you lend something to someone.

Borrow describes receiving the item:

Can I borrow your pen?
She borrowed a book from the library.

Lend describes giving the item:

I can lend you my umbrella.
He lent some money to his brother.

Memory tip: You borrow when the item comes to you and lend when it goes away from you.

Say vs Tell

Use say + something when the words or message are the main focus.

She said that she was tired.
Please say your name clearly.

Use tell + someone + something when you include the person receiving the message. Tell usually needs a person or object after it.

She told me that she was tired.
Please tell your teacher the truth.

Memory tip: You say something, but you tell someone something.