Portuguese Plural Rules: How to Make Nouns and Adjectives Plural
Use a few common ending patterns to form Portuguese plurals, while learning frequent exceptions as complete words.
Real Life Portuguese · 7 min read · Updated October 14, 2026
The short answer
A common starting point is adding -s to a noun that ends in a vowel: casa becomes casas, café becomes cafés, and livro becomes livros. Articles and adjectives usually become plural too, so practice the complete phrase rather than only changing the noun.
Add -s to many nouns that end in a vowel
The basic article pairs are o livro → os livros and a casa → as casas. Agreement helps the listener hear that the words belong together, even when English uses the same article for both genders.
uma casa bonita → duas casas bonitas
a beautiful house → two beautiful houses
o livro novo → os livros novos
the new book → the new books
um café brasileiro → cafés brasileiros
a Brazilian coffee → Brazilian coffees
Watch what happens after -m, -r, and -z
Many nouns ending in -m change that ending to -ns in the plural: homem becomes homens and viagem becomes viagens. Words ending in -r or -z commonly add -es: mulher becomes mulheres and luz becomes luzes.
These patterns help you recognize many words, but they are not a substitute for checking an unfamiliar plural. Stress marks can also change or disappear according to the spelling rules, so save the plural when you learn the noun.
o homem → os homens
the man → the men
a mulher → as mulheres
the woman → the women
a luz → as luzes
the light → the lights
Learn common -l endings and -ão words with examples
Many words ending in -al, -el, -ol, and -ul change the final -l to -is: animal → animais and papel → papéis. Words ending in -il may follow different patterns depending on where the stress falls, so it is especially helpful to learn a new plural as a pair.
Nouns ending in -ão are a well-known group with several plural patterns, including -ões, -ães, and -ãos. There is no reliable single ending to apply to every word; learn mão/mãos, pão/pães, and informação/informações together.
o animal → os animais
the animal → the animals
o papel → os papéis
the paper → the papers
a informação → as informações
the piece of information → the pieces of information
a mão → as mãos
the hand → the hands
Check the whole phrase for agreement
After changing the noun, check its article and any adjective. “Uma cidade grande” becomes “duas cidades grandes.” Some adjectives have the same form for masculine and feminine but still take a plural ending, such as interessante/interessantes.
Read a short sentence aloud and listen for the plural signal across the phrase. With practice, matching article, noun, and adjective becomes a useful habit instead of three separate decisions.
As cidades brasileiras são grandes.
Brazilian cities are large.
Comprei dois pães e três cafés.
I bought two rolls and three coffees.
Essas lições são interessantes.
These lessons are interesting.
Put it into practice
Choose five singular nouns from a beginner vocabulary list and write their plural forms with an article and one adjective. Start with the Real Life Portuguese guide to Portuguese gender and articles, then listen for full phrases in the app.
Quick practice
Which Portuguese example matches “the light → the lights”?
Choose an answer to check yourself.
Keep practicing with the Real Life Portuguese app
Build on this guide with everyday expressions and native Brazilian audio. Choose iPhone, Android, or the web app.
