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"Vuestra" is a form of "vuestra", an adjective which is often translated as "your". "Su" is an adjective which is often translated as "his". Learn more about the difference between "vuestra" and "su" below.
vuestra(
bwehs
-
trah
)An adjective is a word that describes a noun (e.g., the big dog).
1. (feminine) (informal) (possessive; second person plural) (Spain)
A word or phrase that is feminine (e.g., la manzana).
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
Regionalism used in Spain
a. your
Manuel, tu esposa dijo que vuestra hija estaba hospitalizada. ¿Se encuentra mejor?Manuel, your wife said your daughter was in hospital. Is she better now?
A pronoun is a word that stands in for a noun (e.g., she).
2. (feminine) (informal) (possessive; second person plural) (Spain)
A word or phrase that is feminine (e.g., la manzana).
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
Regionalism used in Spain
a. yours
No podemos hacer la cena en nuestra casa porque estamos en obras. ¿La vuestra está disponible el sábado?We can't have the dinner at our house because we're having work done. Is yours available on Saturday?
su(
soo
)An adjective is a word that describes a noun (e.g., the big dog).
a. his (masculine) (singular)
A word or phrase that is masculine (e.g., el libro).
A word or phrase that is singular (e.g., el gato).
¿Hiciste su tarea por él?Did you do his homework for him?
b. her (feminine) (singular)
A word or phrase that is feminine (e.g., la manzana).
A word or phrase that is singular (e.g., el gato).
¿Sabes dónde está el cargador de su teléfono?Do you know where the charger is for her phone?
c. its (singular)
A word or phrase that is singular (e.g., el gato).
Esta es su perrera.This is its doghouse.
2. (formal) (possessive; second person singular)
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).