Ever looked at a Spanish word like corazón
or página
and wondered, "What's that little line on top, and why is it there?"
That little line, a tildeaccent mark, is one of the most feared and misunderstood parts of learning Spanish. But what if I told you it’s not random at all? In fact, it’s your secret key to perfect pronunciation and understanding.

By the end of this post, you'll not only understand the rules but you'll see tildes as your best friend—a helpful guide telling you exactly how to say a word. ¡Vamos!
First, What is Word Stress?
Before we talk about the written accent mark, we need to talk about the spoken one. In every Spanish word with more than one syllable, one syllable is pronounced with a little more force or emphasis than the others. This is called the stressed syllable, or the sílaba tónicastressed syllable.
Think about the English word "present."
- "I have a PRE-sent for you." (Stress on the first syllable, it's a noun).
- "I'd like to pre-SENT my idea." (Stress on the second syllable, it's a verb).
The same thing happens in Spanish. The stress is a natural part of the language's rhythm, and the rules are surprisingly consistent.
The 3 Golden Rules of Spanish Stress
The beautiful thing about Spanish is that you can almost always know where the stress falls just by looking at how a word ends. There are three main categories of words.
1. Palabras Graves (or Llanas)
These are the most common words in Spanish!
The Rule: If a word ends in a vowel (a, e, i, o, u), -n, or -s, the natural stress falls on the second-to-last syllable.
Examples:
ca
-sa
(house) - ends in a vowelco
-men
(they eat) - ends in -nlu
-nes
(Monday) - from our list of the days of the weekpro
-ble
-ma
(problem)
These words are the default. They follow the main rule, so they do not need a written accent mark.
2. Palabras Agudas
This is the second most common type.
The Rule: If a word ends in any consonant except -n or -s, the natural stress falls on the last syllable.
Examples:
ha
-blar
(to speak) - a common -ar verbpa
-pel
(paper)ci
-u
-dad
(city)re
-loj
(clock)
Just like the graves
, these words follow their rule perfectly, so they also do not need a written accent mark.
Easy Way to Remember
Think of it this way: N, S, Vowel? Stress is second-to-last. Anything else? Stress is last. That covers about 80% of all Spanish words!
3. Esdrújulas and Sobresdrújulas
Now for the fun part: the rule-breakers! What happens when the stress doesn't follow the patterns above?
That's when we need the mighty tildeaccent mark!
The Rule: If a word's stress doesn't follow Rules 1 or 2, a written accent mark shows you exactly where the stress goes.
-
Esdrújulas: Stressed on the third-to-last syllable. They ALWAYS get an accent mark.
pá
-gi
-na
(page)bo
-lí
-gra
-fo
(pen)mú
-si
-ca
(music)
-
Sobresdrújulas: Stressed on the fourth-to-last syllable (or even earlier). They are usually commands with pronouns attached. They also ALWAYS get an accent mark.
dí
-ga
-me
-lo
(tell it to me)co
-ci
-nán
-do
-se
-la
(cooking it for her/him)
So, if you see an accent on a word like canción
(song), you can think:
- It ends in
-n
, so the stress should be on the second-to-last syllable (can-
cion
). - But wait! The tilde is on the last syllable (
-ción
). - This means it's an exception to the
graves
rule. It's anaguda
word that breaks the rule by ending in -n, so it needs the accent mark to show us the correct pronunciation.
Why Tildes Are Your Best Friend
Accent marks aren't just for pronunciation; they are critical for meaning. Omitting one can completely change the word.
1. Changing the Meaning
Some short words look identical, and only the tilde tells them apart.

Drag the handle to compare
Drag the handle to compare
Drag the handle to compare
2. Differentiating Verb Tenses
The tilde is also a time machine! It can tell you if you're talking about the present or the past. This is crucial when comparing the preterite vs. imperfect tenses.
hablo
- (I speak) - Present tense. Stress onha-
, follows thegraves
rule.habló
- (he/she spoke) - Past tense. Stress on-bló
, anaguda
that needs an accent because it ends in a vowel.
3. Creating Questions
Question words in Spanish always have a tilde when they are used in a question or exclamation.
Qué
quieres?
(What do you want?)Dónde
está el baño?
(Where is the bathroom?)Cuándo
es la fiesta?
(When is the party?)
Let's Practice!
Ready to test your knowledge?
Which of these words needs an accent mark (tilde)?
Now, try to build a sentence. The accent is already there to help you with pronunciation!
Arrange the words to form a correct sentence:
You've Got This!
The rules of Spanish stress and accents might seem like a lot at first, but they are your roadmap to sounding more natural. Don't worry about memorizing everything at once. The more you read and listen to Spanish, like with our collection of short stories, the more these patterns will become second nature.
Just remember the core idea:
- If a word follows the two main ending rules (N, S, Vowel vs. other consonants), it needs no accent mark.
- If it breaks those rules, the tilde is a friendly signpost showing you exactly where to put the stress.
Keep practicing, and soon you'll be a master of the tilde!