vs 

QUICK ANSWER
"Seudónimos" is a form of "seudónimo", a noun which is often translated as "pseudonym". "Alias" is a form of "alias", a noun which is often translated as "alias". Learn more about the difference between "seudónimos" and "alias" below.
el seudónimo, seudónimo(
seyoo
-
doh
-
nee
-
moh
)
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. pseudonym
Nadie sabía que Lilly era la donante, pues usó un seudónimo en lugar de su nombre verdadero.No one knew Lilly was the donor, because she used a pseudonym instead of her real name.
b. pen name
Samuel Clemens escribió varios libros usando el seudónimo Mark Twain.Samuel Clemens wrote several books under the pen name Mark Twain.
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. pseudonymous
Solo se descubrió el autor de la obra seudónima unos años tras su muerte.The author of the pseudonymous work was only discovered a few years after his death.
Copyright © 2025 Dictionary Media Group, Inc.
el alias(
ah
-
lyahs
)
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. alias
El estafador Luis Ruscio firmaba cheques falsificados bajo el alias de "Ernesto Bonavena".The swindler Luis Ruscio issued forged checks under the alias of "Ernesto Bonavena."
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
adverb
a. alias
Saul Hudson, alias "Slash", se unió a la banda Guns n' Roses en 1985.Saul Hudson, alias "Slash", joined the band Guns n' Roses in 1985.
Copyright © 2025 Dictionary Media Group, Inc.