Last Updated on June 20, 2026 by I Love Spanish Club
One of the most logical and consistent aspects of Spanish spelling is the accent mark — called la tilde (´). Unlike English, where stress patterns are largely unpredictable, Spanish has clear rules that tell you exactly where to stress a word and when to write an accent mark. Master these rules and you’ll be able to read any Spanish word correctly — even one you’ve never seen before. ¡Empecemos! (Let’s begin!)
🔊 What Is Word Stress?
Every Spanish word has one syllable that is stressed — pronounced with more force, higher pitch, and longer duration than the others. Getting the stress right is crucial because it affects both meaning and comprehension.
Examples of stress:
CA-sa (house) — stress on first syllable
co-MER (to eat) — stress on last syllable
rá-pi-do (fast) — stress on first syllable (marked with tilde)
The tilde (´) always marks the stressed syllable when the word breaks the standard stress rules.
📐 The Three Types of Spanish Words by Stress
1. Agudas — Stress on the Last Syllable
Agudas are words stressed on the last syllable. They need a written accent (tilde) when they end in N, S, or vowel.
| With tilde | English | Without tilde | English |
|---|---|---|---|
| café | coffee | reloj | clock (ends in J, no tilde) |
| canción | song | papel | paper (ends in L, no tilde) |
| inglés | English | ciudad | city (ends in D, no tilde) |
| mamá | mom | hablar | to speak (ends in R, no tilde) |
2. Llanas / Graves — Stress on the Second-to-Last Syllable
Llanas (also called graves) are stressed on the second-to-last syllable. They need a tilde when they do NOT end in N, S, or vowel.
| With tilde | English | Without tilde | English |
|---|---|---|---|
| árbol | tree | casa | house (ends in A, no tilde) |
| lápiz | pencil | comen | they eat (ends in N, no tilde) |
| fácil | easy | hablas | you speak (ends in S, no tilde) |
| difícil | difficult | libro | book (ends in O, no tilde) |
3. Esdrújulas — Stress on the Third-to-Last Syllable
Esdrújulas are stressed on the third-to-last syllable. They always carry a written tilde — no exceptions.
| Spanish | English |
|---|---|
| rápido | fast / quickly |
| música | music |
| teléfono | telephone |
| médico | doctor |
| sílaba | syllable |
| América | America |
| gramática | grammar |
📊 Summary: When Does a Tilde Appear?
| Word type | Stress position | Tilde needed when… |
|---|---|---|
| Aguda | Last syllable | Ends in N, S, or vowel |
| Llana / Grave | Second-to-last syllable | Does NOT end in N, S, or vowel |
| Esdrújula | Third-to-last syllable | Always — no exceptions |
🔤 Special Uses of the Tilde
1. Tilde diacrítica — distinguishing identical words
Some one-syllable words carry a tilde not for stress, but to distinguish them from other words with the same spelling:
| Without tilde | Meaning | With tilde | Meaning |
|---|---|---|---|
| si | if | sí | yes |
| se | reflexive pronoun | sé | I know / be! (imperative) |
| el | the (article) | él | he (pronoun) |
| tu | your | tú | you |
| mi | my | mí | me (after preposition) |
| te | you (object pronoun) | té | tea |
| de | of / from | dé | give (subjunctive of dar) |
| mas | but (literary) | más | more |
2. Question and exclamation words
Question and exclamation words always carry a tilde when used in direct or indirect questions and exclamations:
| With tilde (question/exclamation) | Without tilde (relative pronoun) |
|---|---|
| ¿Qué quieres? (What do you want?) | Lo que quieras. (Whatever you want.) |
| ¿Cómo estás? (How are you?) | Como tú dices. (As you say.) |
| ¿Cuándo llegas? (When do you arrive?) | Cuando llegues. (When you arrive.) |
| ¿Dónde vives? (Where do you live?) | Donde quieras. (Wherever you want.) |
| ¿Quién es? (Who is it?) | Quien llegue primero. (Whoever arrives first.) |
💬 Real Conversation: Tildes in Action
📍 A student asking about accent marks
Sofía: Profe, ¿por qué “sí” lleva tilde pero “si” no?
Teacher, why does “sí” have an accent but “si” doesn’t?
Profe: Porque “sí” significa “yes” y “si” significa “if”. La tilde los distingue. Por ejemplo: Sí quiero café, pero si no hay, tomo té.
Because “sí” means “yes” and “si” means “if”. The accent distinguishes them. For example: Yes I want coffee, but if there isn’t any, I’ll have tea.
Sofía: ¡Ah, entiendo! ¿Y “rápido” siempre lleva tilde?
Oh, I understand! And “rápido” always has an accent?
Profe: Sí, porque es esdrújula — el acento está en la tercera sílaba desde el final. Las esdrújulas siempre llevan tilde, sin excepción.
Yes, because it’s esdrújula — the stress is on the third syllable from the end. Esdrújulas always have an accent, without exception.
⚠️ Common Mistakes
❌ Writing “tu” when you mean “tú” (you)
✅ Tú (you, subject pronoun) needs a tilde. Tu (your) does not.
❌ Forgetting the tilde on question words
✅ ¿Qué? ¿Cómo? ¿Dónde? ¿Cuándo? — in questions and exclamations, always use the tilde.
❌ Missing the tilde on esdrújulas
✅ médico, música, teléfono — esdrújulas ALWAYS have a tilde. No exceptions.
❌ Confusing “el” (the) and “él” (he)
✅ El libro es de él. — “el” without tilde = article; “él” with tilde = he/him.
❌ Writing “si” when you mean “sí” (yes)
✅ ¿Quieres venir? — Sí, claro. — “yes” always needs the tilde.
🎯 Quiz: Does It Need a Tilde?
Add a tilde where needed (or write “no tilde”):
- rapido (fast)
- cafe (coffee)
- casa (house)
- arbol (tree)
- el (he — pronoun)
- cancion (song)
- medico (doctor)
- ¿Donde vives? (Where do you live?)
👁️ Show Answers
- rápido — esdrújula, always tilde
- café — aguda ending in vowel
- casa — no tilde (llana ending in vowel)
- árbol — llana ending in L (not N/S/vowel)
- él — tilde diacrítica (distinguishes from “el” = the)
- canción — aguda ending in N
- médico — esdrújula, always tilde
- ¿Dónde vives? — question word always has tilde
❓ Frequently Asked Questions
Do I need to write accent marks when typing in Spanish?
Yes — in formal writing, emails, and online content, accent marks are important and expected. Omitting them can change meaning (si/sí, tu/tú, el/él) and marks your writing as careless or non-native. Most phones and computers have easy ways to type accented letters — on mobile, long-press the vowel; on PC, use keyboard shortcuts or language settings.
Is it true that Spanish stress is more regular than English?
Yes, absolutely. Spanish stress follows clear, learnable rules — once you know whether a word is aguda, llana, or esdrújula, you know exactly where to stress it and whether it needs a written accent. English stress, by contrast, is largely unpredictable and must be memorized word by word. This is one of the reasons Spanish pronunciation is considered more systematic than English.
What’s the best way to practice recognizing tildes?
Read as much Spanish as possible — books, articles, subtitles. Every time you see a word with a tilde, say it aloud and feel the stress on the accented syllable. Tutors on Italki can also help you practice pronunciation with correct stress in real conversations, which reinforces the rules much faster than studying alone.