vs
QUICK ANSWER
"Tú" is a form of "tú", a pronoun which is often translated as "you". "Rápido" is an adjective which is often translated as "fast". Learn more about the difference between "rápido" and "tú" below.
rápido(
rrah
-
pee
-
doh
)An adjective is a word that describes a noun (e.g., the big dog).
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
3. (rail)
a. express train
Cuando fuimos a Japón, tomamos el rápido a Tokio.When we went to Japan, we took the express train to Tokyo.
b. fast train
Los planes para tener un rápido entre Los Ángeles y San Francisco han quedado truncos.Plans for a fast train between Los Angeles and San Francisco are incomplete.
tú(
too
)A pronoun is a word that stands in for a noun (e.g., she).
1. (informal) (second person singular)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).