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"Acaso" is an adverb which is often translated as "perhaps", and "tal vez" is a phrase which is often translated as "maybe". Learn more about the difference between "acaso" and "tal vez" below.
acaso(
ah
-
kah
-
soh
)
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
adverb
a. perhaps
Acaso en la próxima reunión podamos tratar ese tema.Perhaps we can discuss the topic in the next meeting.
a.
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
no direct translation
¿Acaso no te acuerdas que te toca pagar?I guess you've forgotten it's your turn to pay, have you?
¿Acaso no es la guerra la industria más poderosa?Isn't war the most powerful industry?
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tal vez(
tahl
 
behs
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. maybe
Tal vez se le olvidó que ustedes se iban a encontrar.Maybe she forgot that you were going to meet up.
b. perhaps
¿Tal vez le gustaría una taza de té, señora?Perhaps you would like a cup of tea, ma'am?
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