what is it?
The plural of a noun refers to more than one person, place, or thing. In Spanish, plurals are formed by adding a suffix — either -s or -es — to the singular noun. The choice of suffix depends on the final sound of the singular form. One spelling change also applies: nouns ending in -z change that letter to -c before adding -es.
when to use it
Use the plural whenever you refer to more than one noun: two books, several cities, many countries.
Use the plural after quantity words such as muchos, varios, tres, and after the plural articles los and las.
Adjectives and articles that accompany the noun must also agree in plural form — but that agreement is covered in the adjective agreement topic.
formation
There are three rules, applied in order based on the singular ending.
Rule 1 — ends in a vowel: add -s. This covers most nouns.
Rule 2 — ends in a consonant: add -es. This includes nouns ending in -l, -r, -n, -d, etc.
Rule 3 — ends in stressed -í or -ú: add -es. Nouns such as país (ends in a stressed vowel followed by -s) also take -es because the final -s is part of a stressed syllable.
Spelling change: Nouns ending in -z change z → c before adding -es: lápiz → lápices. This preserves the original /s/ sound.
| singular | plural | rule applied | meaning |
|---|---|---|---|
| mesa | mesas | vowel → +s | table / tables |
| ciudad | ciudades | consonant → +es | city / cities |
| árbol | árboles | consonant → +es | tree / trees |
| país | países | stressed syllable ending in -s → +es | country / countries |
| lápiz | lápices | z → c, then +es | pencil / pencils |
examples in context
common pitfalls
Adding only -s to consonant-final nouns. Nouns that end in a consonant require -es, not just -s. Write ciudades, not «ciudads».
Leaving país unchanged in the plural. Although país ends in a vowel letter, the final syllable is stressed and ends in -s, so it takes -es. Write los países, not «los país».
Forgetting the z → c spelling change. Before -es, a final -z must become -c. Write lápices, not «lapizes».
Three sentences, graded here. Nothing is saved and no account is needed.
Hay tres ___ cerca de la playa. (hotel)
Fill in the blank with the correct plural form of the noun in parentheses.