Spanish Noun Gender: Rules, Patterns, and Exceptions
Every noun in Spanish is either masculine or feminine. There's no "it" — a table is feminine (la mesa), a book is masculine (el libro). This feels random at first, but there are real patterns that predict gender correctly most of the time. Learn the patterns, memorize the exceptions, and you'll get it right more often than not.
The Basic Rule: -o and -a
The most reliable starting point: nouns ending in -o are usually masculine, and nouns ending in -a are usually feminine. This covers a huge percentage of Spanish nouns.
This rule works for roughly 95% of nouns ending in -o and about 90% of nouns ending in -a. The exceptions? We'll get to those.
Reliable Patterns
Beyond -o and -a, certain endings are strong predictors of gender. If you know these, you can make an educated guess on nouns you've never seen before.
Almost Always Feminine
Almost Always Masculine
All nouns ending in -ción and -sión are feminine, no exceptions. If you see that ending, it's la. This one rule alone covers hundreds of words.
Learn from Your Home Screen
Vocabito puts Spanish words on your Home Screen with pronunciation, example sentences, and audio — so you learn without even opening the app.
Common Exceptions
This is where Spanish keeps you on your toes. Some of the most frequently used nouns break the basic rules. These are worth memorizing individually.
Masculine Nouns That End in -a
Most of the -ma words in this list come from Greek, where they were neuter. Spanish absorbed them as masculine. El día is simply an old exception you have to memorize.
Feminine Nouns That End in -o
- La mano — the hand (the most common one)
- La foto — the photo (short for la fotografía)
- La moto — the motorcycle (short for la motocicleta)
- La radio — the radio (in most countries)
When a feminine noun starts with a stressed "a" sound, use el for the singular article but keep everything else feminine: el agua fría, el águila negra, el alma buena. The plural goes back to normal: las aguas.
Practice These Words in Vocabito
Flashcards, widgets, and daily reminders to make Spanish stick.
Why Gender Matters
Gender isn't just about choosing el or la — it ripples through the entire sentence. Adjectives, demonstratives, and some pronouns all need to agree in gender with the noun they describe.
- Adjective agreement: El gato negro but La gata negra
- Demonstratives: Este libro but Esta mesa
- Meaning changes: El capital (money, capital) vs. La capital (capital city)
- Meaning changes: El orden (order, sequence) vs. La orden (command, order at a restaurant)
Getting gender wrong won't usually cause a misunderstanding, but it's one of the clearest markers of fluency. The more you practice, the more natural it becomes — and eventually you'll just "feel" when something sounds off.
Frequently Asked Questions
Why do Spanish nouns have gender?
Grammatical gender is a feature inherited from Latin. It doesn't mean objects are literally "male" or "female" — it's a classification system that affects articles, adjectives, and pronouns. Most Romance languages (French, Italian, Portuguese) have the same system.
Is "el agua" masculine or feminine?
Agua is feminine. It uses el instead of la only because it starts with a stressed "a" sound, and la agua is hard to pronounce. The adjective stays feminine: el agua fría (the cold water), not el agua frío.
Are there any tricks to remember noun gender?
Always learn the article with the noun — say el libro, not just libro. For patterns: -o is usually masculine, -a is usually feminine, -ción/-sión is always feminine, and -ma words from Greek are masculine. Beyond that, repetition is your best friend.
What happens if I use the wrong gender?
Native speakers will still understand you, but it sounds noticeably off — similar to saying "him" instead of "her" in English. In some rare cases, gender changes meaning entirely: el capital (money/capital) vs. la capital (capital city).