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"Cálmate" is a form of "cálmate", a phrase which is often translated as "calm down". "Ríe" is a form of "reír", an intransitive verb which is often translated as "to laugh". Learn more about the difference between "cálmate" and "ríe" below.
cálmate()
A phrase is a group of words commonly used together (e.g., once upon a time).
1. (informal) (imperative; 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?).
reír()
An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
a. to laugh
Mi novio se echó a reír cuando le conté lo que me pasó.My boyfriend started laughing when I told him what happened to me.
A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
a. to laugh at
El niño es un trasto. Y no es de extrañar, ya que sus abuelos le ríen las gracias.The child is a rascal. And it's not surprising, given that his grandparents laugh at his antics.
reírse
A pronominal verb always uses a reflexive pronoun. (e.g., Te ves cansado.).
a. to laugh
Nos lo pasamos muy bien y nos reímos como locos.We had a great time and we laughed like crazy.
