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"As" is a form of "as", a preposition which is often translated as "como". "An" is an indefinite article which is often translated as "un". Learn more about the difference between "an" and "as" below.
an(
ahn
)An indefinite article is a word that indicates that a noun is not specific (e.g., a girl).
1. (general)
A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
as(
ahz
)A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
2. (when)
a. cuando
The phone rang as we were leaving the house.Sonó el teléfono cuando estábamos saliendo de la casa.
3. (while)
a. a medida que
I've really come to respect her as I've gotten to know her.Realmente llegué a respetarla a medida que la fui conociendo.
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
I am as thin as she is.Soy tan delgada como ella.
I do not have as many shoes as my sister.No tengo tantos zapatos como mi hermana.
