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False cognate · False friend

petrol

Does NOT mean petróleo

It means gasoline

Written by Bryan López, English teacher · Updated September 2026

What it's NOT

petrol does NOT translate to petróleo.

To say "petróleo" in English, use crude oil.

What it IS

petrol means gasoline.

Why it's confused

Spanish "petróleo" is the crude oil extracted from underground. English "petrol" (mainly British usage) is the refined fuel for vehicles. Crude oil in English is "crude oil" or "petroleum."

How it's pronounced

petrolPÉ-trol

Tap the button to hear the real pronunciation.

Examples of correct use

English

We need to stop for petrol.

Spanish

Tenemos que parar por gasolina.

English

Petrol prices went up.

Spanish

El precio de la gasolina subió.

A trick to remember it

Petrol = gasoline. Crude oil (Spanish "petróleo") = crude oil.

Mini quiz

"A petrol station" is...

Frequently asked questions

What does "petrol" mean in English?

"Petrol" means "gasoline". It looks a lot like "petróleo", which is exactly why it gets confused, but they don't mean the same thing.

How do you say "petróleo" in English?

To say "petróleo" in English, use "crude oil". If you use "petrol" instead, you would actually be saying "gasoline".

Do "petrol" and "petróleo" mean the same thing?

Spanish "petróleo" is the crude oil extracted from underground. English "petrol" (mainly British usage) is the refined fuel for vehicles. Crude oil in English is "crude oil" or "petroleum."

Other confusing false friends

  • Career

    Not carrera, it's a profession / professional path

  • Estate

    Not estado, it's a large property / land holding

  • Fume

    Not fumar, it's smoke or toxic gas / to be very angry

More confusing false friends

Library, embarrassed, actually... the full list of words that look the same but mean something different.

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