vs 

QUICK ANSWER
"Uno" is a form of "uno", an adjective which is often translated as "one". "Diez" is a form of "diez", an adjective which is often translated as "ten". Learn more about the difference between "uno" and "diez" below.
uno(
oo
-
noh
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. one
Me queda solo un dulce.I've only got one candy left.
Necesitamos una moneda más para completar el conjunto.We need one more coin to complete the set.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. one
Elige un número del uno al diez.Choose a number between one and ten.
A pronoun is a word that stands in for a noun (e.g., she).
pronoun
a. one
¿Cuántas monedas necesitas? - Solo una.How many coins do you need? - Just one.
Compré uno para mí y otro para ti.I bought one for me and another for you.
a. one
Uno puede ganar mucho dinero al invertir.One can make a lot of money by investing.
b. you
Uno nunca sabe lo que puede salir de ahí.You never know what may come of it.
a. someone
Uno tocó el timbre, pero no respondí.Someone rang the doorbell, but I didn't answer.
b. somebody
Hablé con uno que sabe mucho acerca de la situación.I talked with somebody who knows a lot about the situation.
c. some (plural)
¿Todos los alumnos llegaron a tiempo? - Unos llegaron temprano y otros tarde.Did all the students arrive on time? - Some arrived early and others arrived late.
Copyright © 2025 Dictionary Media Group, Inc.
diez(
dyehs
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. ten
Solo había diez personas en la oficina hoy a causa de la nieve.There were only ten people in the office today because of the snow.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. ten
Ella lleva un diez en su camiseta en honor a su jugadora favorita.She wears a ten on her jersey in honor of her favorite player.
b. tenth (in dates)
Celebraremos mi cumpleaños el diez de enero.We'll celebrate my birthday on the tenth of January.
Copyright © 2025 Dictionary Media Group, Inc.