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Spanish false friends that actually matter

The Latin overlap between English and Spanish is the best gift the language gives you, and it comes with a bill. I interpret for a living, which means a false friend is something that can cost my client money in real time — so I've spent a long while sorting the ones that matter from the ones that make good blog posts.

Alonso Coronado, 陆子龙

Alonso Coronado陆子龙

·7 min read

First, the good news is bigger than the bad

Before the warnings: the cognates overwhelmingly work. Información, necesario, posible, universidad, importante, diferente, natural, animal, general, hospital. Thousands of them, and they're front-loaded toward the long, useful, abstract words you'd otherwise spend years acquiring.

The pattern is reliable enough to guess with. English -tion becomes Spanish -ción; -ty becomes -dad; -ous becomes -oso. You can build a serviceable vocabulary this way, and mostly be right.

Guessing is a good strategy. It's just a strategy with a known failure rate, and the failures are worth knowing individually.

The ones that will embarrass you

Short list. Memorise these five and you've handled most of the real risk.

SpanishLooks likeActually means«That» in Spanish
embarazadaembarrassedpregnantavergonzado
constipadoconstipatedhaving a coldestreñido
preservativospreservativescondomsconservantes
excitadoexcitedarousedemocionado
molestarto molestto bother, to annoyabusar

These get repeated everywhere because they're funny, and it's worth saying that the last two are the ones that actually cause trouble. Embarazada produces a laugh and a correction. Telling a colleague you're excitado about a project lands differently, and the mistake isn't obvious to the person making it.

The ones that quietly cost you

These matter more, and almost never make the lists, because nothing about them is funny. They just make you slightly wrong, often, in ways nobody corrects.

SpanishYou'll assumeIt means
actualmenteactuallycurrently, at present
eventualmenteeventuallypossibly, occasionally
realizarto realiseto carry out, to perform
asistirto assistto attend
pretenderto pretendto intend, to aim to
sensiblesensiblesensitive
éxitoexitsuccess
carpetacarpetfolder

This is the set I'd actually spend time on. Actualmente and eventualmente in particular will make you say the opposite of what you mean in a professional context, and — because the sentence still parses — nobody will stop you.

False friends get unlearned in context and on repetition, not from a list you read once.

The trap you can't see: register

Here's a subtler version of the same problem, and the one that most affects how you come across once your Spanish is decent.

English has a formal Latin word and a plain Germanic one for the same idea: commence and start, purchase and buy, utilise and use. The Latin one feels stiff. In Spanish, the Latin one is often the ordinary word.

Spanish everyday wordIts English cognateWhat English actually says
comprarbuy
utilizarutiliseuse
comenzarcommencestart
asistir aassist atattend
solicitarsolicitapply for

So an English speaker meets utilizar, files it as «formal», and reaches for something else in casual conversation — when utilizar is what a Mexican says buying batteries. The cognate is right; the instinct about how fancy it is comes from English and doesn't transfer.


What to do about all this

  1. Keep guessing. The cognates work far more often than they fail, and abandoning the strategy would cost you thousands of words.
  2. Memorise the five embarrassing ones outright. Five minutes, permanent.
  3. Learn the quiet eight in context, not as a list — those are the ones that will otherwise stay wrong for years, because they never produce a visible failure.
  4. Stop trusting your sense of formality. If a Spanish speaker uses a word casually, it's casual, whatever its English cousin feels like.
  5. And when a cognate feels too easy, check it once. That instinct is right about 5% of the time, which is exactly often enough to be worth the two seconds.

Frequently asked

What are the most common Spanish false friends?

The famous ones are embarazada (pregnant, not embarrassed), constipado (having a cold), preservativos (condoms), excitado (aroused) and molestar (to bother). But the ones that cause more real trouble are quieter: actualmente means currently, eventualmente means possibly, realizar means to carry out, and asistir means to attend.

Does embarazada really mean pregnant?

Yes. Embarrassed is avergonzado or apenado. It's the most repeated false friend in Spanish, and in practice the least costly — it produces a laugh and an immediate correction, unlike the ones that quietly reverse your meaning.

Are Spanish cognates reliable?

Overwhelmingly, yes. The patterns hold — English -tion becomes -ción, -ty becomes -dad, -ous becomes -oso — and guessing gains you thousands of words. It's a good strategy with a known and fairly small failure rate, so the answer is to keep guessing and learn the exceptions individually.

What does actualmente mean in Spanish?

Currently, at present. It does not mean «actually» — that's en realidad or de hecho. It's one of the most costly false friends because the sentence still makes sense with the wrong reading, so nobody corrects you.

Why does formal English vocabulary sound normal in Spanish?

Because English kept both a Latin word and a plain Germanic one for many ideas, and the Latin one drifted formal. Spanish only has the Latin one, so it's just the ordinary word. Utilizar, comenzar and solicitar feel stiff to an English ear and are entirely everyday in Spanish.

Spanish in Lemma

Vocabulary in context and on spaced repetition, which is how a false friend gets unlearned — a list won't do it.