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"Entonces" is an adverb which is often translated as "then", and "pues" is a conjunction which is also often translated as "then". Learn more about the difference between "entonces" and "pues" below.
entonces(
ehn
-
tohn
-
sehs
)An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
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)