In English the plural of duo is duos. However, I am not sure in Spanish.

I looked in the DRAE that is the most famous dictionary in Spanish and I did not find the plural. Then, I am not sure if duos in Spanish is dúo or dúos.

Google and linguee.es translate duos to dúos.

I forgot to say that I believe that this is an important question because Wikipedia says "Los Dúo is a studio album released by Juan Gabriel on February 10, 2015."

Then, it seems that the company of the famous Mexican singer Juan Gabriel made a big mistake using for plural dúo instead of dúos.

Thanks for your help!

2 Answers 2


That word has nothing special and its plural is formed using the common rules: http://lema.rae.es/dpd/srv/search?id=Iwao8PGQ8D6QkHPn4i

See these examples of usage (dúos): http://es.wikipedia.org/wiki/Categor%C3%ADa:D%C3%BAos_de_m%C3%BAsica http://www.movistar.com.pe/internet/trios-y-duos/duos

  • Thanks for your answer! However, Wikipedia and Movistar are not trusted sources for Spanish grammar.
    – Beginner
    Feb 10, 2015 at 15:59
  • You shouldn't need any special source. It a simple plural form constructed using the common rules. If a noun end on not accented vowel you put a 's' at the end.
    – DieMartin
    Feb 10, 2015 at 16:05
  • What about cualquiera?
    – Beginner
    Feb 10, 2015 at 16:12
  • You have that information in the same RAE link I've provided in the answer.
    – DieMartin
    Feb 10, 2015 at 16:15
  • Thanks for the link of the RAE! That is the best source. I will study it and I will be back.
    – Beginner
    Feb 10, 2015 at 16:21

The plural of dúo is dúos.

Un dúo de guitarras.

Varios dúos de guitarras.

  • Thanks for your answer! However, how can you prove your claim?
    – Beginner
    Feb 10, 2015 at 15:56
  • @Beginner, if you follow the link provided on the "dúo" word you'll see a es.wiktionary entry in which the singular and plural forms are explained.
    – Diego
    Feb 10, 2015 at 16:18

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