Spanish Nacho

Spanish accent marks: the ones English speakers always forget

Nacho, Granada

Spanish accent marks do two jobs. Most of the time they tell you which syllable to stress — lección, menú, gustaría. But on about a dozen small, very common words they do something else entirely: they change the meaning. is yes; si is if. is I know; se is a reflexive pronoun. Same letters, different word.

Leaving them out is the single most frequent thing I correct in written work from English speakers. Here is the whole system, and then the words where it actually costs you.

Why English speakers skip them

Because English has no equivalent, so the accent reads as decorative — a flourish you can drop when you are typing quickly. It is not. In Spanish the accent is part of the spelling, the way the second l in "still" is part of the spelling. Espanola is not a casually-written española; it is a misspelling.

The other reason is keyboards. If typing ñ or á requires a fight with your operating system, you will stop bothering. Fixing that once is worth more than any grammar lesson: on macOS hold the vowel key, on Windows add the Spanish keyboard layout and use the apostrophe key before the vowel, on phones hold the vowel down.

The stress rules, in about ninety seconds

Every Spanish word has one stressed syllable. Three rules decide whether it gets written.

1. Words ending in a vowel, -n or -s are stressed on the second-to-last syllable by default. If that is where the stress falls, no accent needed.

casa, hablan, lunes — all default, all unaccented.

2. Words ending in any other consonant are stressed on the last syllable by default.

hablar, feliz, ciudad — default, unaccented.

3. Any word that breaks its default rule takes a written accent on the stressed syllable.

lección ends in -n, so the default is LEC-cion. The stress is actually on the last syllable, so it gets an accent. árbol ends in -l, so the default is ar-BOL. Stress is on the first syllable, so: accent.

That is genuinely all of it. Plus one addition: any stressed i or u next to another vowel takes an accent to break the diphthong — gustaría, día, país.

The ten that catch everyone

These are the words I correct most often. They are all extremely common, which is precisely the problem — you write them fifty times a day.

Written wrong Correct Why
no se no sé = I know
como estas cómo estás question word + stress on last syllable
gustaria gustaría stressed i next to a vowel
leccion lección ends in -n, stress on last syllable
menu menú ends in vowel, stress on last syllable
manana mañana that is an ñ, not an n
que qué question or exclamation
podrias podrías stressed i next to a vowel
si = yes
espanola española ñ again

Notice the pattern in the conditional forms — gustaría, podrías, tendría, sería. Every single conditional in Spanish carries that accent, without exception. Learn it once as a shape and you have fixed a whole tense.

The ones that change the meaning

This is the group worth memorising properly, because here the accent is not about pronunciation at all. Both versions sound identical out loud. The accent exists purely to tell the reader which word you meant.

Without accent With accent
si — if — yes
se — reflexive pronoun — I know
el — the él — he
tu — your — you
mas — but (literary) más — more
te — you (object) — tea
de — of, from — give (subjunctive)
solo — alone sólo — only (optional now)

And the question words, which take an accent whenever they are asking or exclaiming, even inside a sentence:

No sé qué quiere. — I don't know what he wants. ¿Dónde estás?Where are you? Me preguntó cuándo llegaba. — He asked me when I was arriving.

Compare with the unaccented versions, which are just connecting words:

El libro que compré. — The book that I bought. Vamos cuando quieras. — We'll go whenever you like.

The test: if you could put a question mark near it, it takes an accent.

The one that is genuinely funny

Sí, mi amor. — Yes, my love. Si mi amor… — If my love…

One is agreement. The other is the opening of a sentence that has not finished and sounds faintly ominous.

And the one that gets sent to me most often:

Está — he/she/it is. Esta — this. Ésta — this one.

Esta casa está limpia — this house is clean. Get the accents wrong and you have written something closer to "is house this clean".

Does it matter if you skip them?

In a WhatsApp to a friend, no. Spaniards drop accents constantly when typing fast and nobody minds.

Anywhere it counts — a CV, an email to a landlord, a message to your child's school, an exam — yes, it matters, and it matters in the specific way that spelling matters in English. It does not make you incomprehensible. It makes you look like you did not check.

The good news is that this is one of the few things in Spanish that is genuinely a rules problem rather than a practice problem. Three stress rules, one list of meaning-changing words. You can be done with it this week.

While you are at it, the other written mistake I see constantly is noun genderel sartén instead of la sartén. And if you are still deciding which Spanish to learn, start here.


Want to practise this with someone who corrects you? Spanish Nacho is twelve lessons through Seville — ordering at the bar, haggling in the Triana market, giving directions to the Alcázar — with local characters who answer back and a real teacher reviewing how you are doing. Fourteen days free, no card required. Start free →

Want to practise this with someone who corrects you?

Spanish Nacho is twelve lessons through Seville — ordering at the bar, haggling in the Triana market, giving directions — with characters who answer back and a real teacher reviewing how you are doing. Fourteen days free, no card required.

Start free