vs
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"Vaya" is a form of "vaya", an interjection which is often translated as "well". "Pues" is a conjunction which is often translated as "then". Learn more about the difference between "vaya" and "pues" below.
vaya(
bah
-
yah
)An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
A phrase is a group of words commonly used together (e.g., once upon a time).
4. (formal) (imperative; 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).
pues(
pwehs
)A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
a. then
Estoy cansado. - Pues vete a dormir.I am tired. - Go to sleep then.
No sé qué decirte, pues.I don't know what to tell you, then.
2. (emphatic)