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False cognate · False friend

fume

Does NOT mean fumar

It means smoke or toxic gas / to be very angry

Written by Bryan López, English teacher · Updated September 2026

What it's NOT

fume does NOT translate to fumar.

To say "fumar" in English, use to smoke.

What it IS

fume means smoke or toxic gas / to be very angry.

Why it's confused

Spanish "fumar" is to smoke tobacco. English "fume(s)" are the toxic smoke or vapors something gives off when burned. As a verb, "to fume" also means to be very angry. To smoke tobacco in English is "smoke."

How it's pronounced

fumeFIÚM

Tap the button to hear the real pronunciation.

Examples of correct use

English

The exhaust fumes are toxic.

Spanish

Los gases del escape son tóxicos.

English

He was fuming with anger.

Spanish

Echaba humo del enojo.

A trick to remember it

Fume/fumes = toxic smoke or gas. Smoking a cigarette (Spanish "fumar") = smoke.

Mini quiz

"Toxic fumes" are...

Frequently asked questions

What does "fume" mean in English?

"Fume" means "smoke or toxic gas / to be very angry". It looks a lot like "fumar", which is exactly why it gets confused, but they don't mean the same thing.

How do you say "fumar" in English?

To say "fumar" in English, use "to smoke". If you use "fume" instead, you would actually be saying "smoke or toxic gas / to be very angry".

Do "fume" and "fumar" mean the same thing?

Spanish "fumar" is to smoke tobacco. English "fume(s)" are the toxic smoke or vapors something gives off when burned. As a verb, "to fume" also means to be very angry. To smoke tobacco in English is "smoke."

Other confusing false friends

  • Disgust

    Not disgusto, it's a strong feeling of revulsion

  • Gross

    Not grueso, it's disgusting / revolting

  • Remove

    Not remover, it's to take away / eliminate

More confusing false friends

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

View full list

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