vs
QUICK ANSWER
"Ay" is a form of "ay", an interjection which is often translated as "ow". "Pero" is a conjunction which is often translated as "but". Learn more about the difference between "ay" and "pero" below.
ay(
ay
)An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
b. jeez (colloquial)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
¡Ay! Me asustaste.Jeez! You scared me.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
pero(
peh
-
roh
)A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
a. but
Te quiero comprar algo, pero no tengo dinero.I want to buy you something but I don't have any money.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
