vs
QUICK ANSWER
"Vamos" is a form of "vamos", a phrase which is often translated as "let's go". "Si" is a form of "si", a conjunction which is often translated as "if". Learn more about the difference between "vamos" and "si" below.
vamos(
bah
-
mohs
)A phrase is a group of words commonly used together (e.g., once upon a time).
si(
see
)A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
