vs
QUICK ANSWER
"Rather" is an adverb which is often translated as "preferir", and "either" is a conjunction which is often translated as "o". Learn more about the difference between "rather" and "either" below.
rather(
rah
-
thuhr
)An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
2. (quite)
a. bastante
Under the guidance of Pope Francis, the church is becoming rather socially oriented.Bajo la dirección del Papa Francisco, la iglesia se está orientando bastante hacia lo social.
3. (somewhat)
a. mejor dicho
He has been in business, or rather at his fruit stand, for 15 years now.Ha tenido un negocio, o mejor dicho un puesto de frutas, ahora por 15 años.
either(
ay
-
thuhr
)A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
An adjective is a word that describes a noun (e.g., the big dog).
b. ninguno de los dos (with a negated verb)
I don't think either team will win.No creo que gane ninguno de los dos equipos.
A pronoun is a word that stands in for a noun (e.g., she).
a. cualquiera
I like both of those popsicle flavors, so I can eat either.Me gustan las paletas de ambos sabores, así que puedo comerme cualquiera.
b. ninguno (with a negated verb)
I don't like beef or chicken sandwiches. I don't want either.No me gustan los sándwiches ni de carne ni de pollo. No quiero ninguno.
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
5. (as well)
a. tampoco (with a negated verb)
I don't like cockroaches either.No me gustan las cucarachas tampoco.
