CIU: Gramática Lesson - Nouns with Irregular Genders

Gramática - Nouns with Irregular Genders

In this section of the module we are going to review nouns. In Spanish a noun is called a sustantivo and it works the same way as it does in English except for one major difference: gender. That's right, in Spanish nouns are actually classified as either masculine or feminine. Try not to get too wrapped up in figuring out what would make one word "male" and another word "female" - note that these grammatical categories are called masculine and feminine, not male and female! It's got nothing to do with X and Y chromosomes (in other words, it is not about literal human gender). It's a mostly arbitrary system of putting words into one of two categories. So how do you know which is which? It's based on spelling.

Most nouns end either in an -o or an -a. The vast majority of the time words with an -o at the end are considered masculine and words ending in -a are feminine:

Nouns: Masculine -o Vs. Feminine -a
Masculine Feminine
burro
libro
océano
zapato
camiseta
pantera
revista
tierra

Exceptions

There are some nouns which don't follow this rule (of course) and other nouns which end with a different letter entirely. For those words you'll just have to memorize the gender along with the word.

Let's take a look at the most common nouns with irregular genders:

Irregular Genders
-sión, ción, -dad, -tud, -umbre -ma -a and -o exceptions

Always feminine. For example:

  • la exposición - the exhibition
  • la habitación - the room
  • la costumbre - the custom
  • la felicidad - the happiness
  • la solicitud - the application

Always masculine. For example:

  • el problema - the problem
  • el emblema - the emblem
  • el enigma - the mystery

Some nouns ending in -a are masculine and some ending in -o are feminine. For example:

  • Masculine:
    • el día - the day
    • el mapa - the map
    • el planeta - the planet
    • el cura - the priest
  • Feminine:
    • la foto - the photo
    • la mano - the hand
    • la radio - the radio
    • la moto - the motorcycle

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