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"No" is a form of "no", an adverb which is often translated as "no". "También" is an adverb which is often translated as "also". Learn more about the difference between "no" and "también" below.
no(
noh
)An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
1. (negation)
a. no 
¿Te gustó el concierto? - No, ese estilo de música no me gusta.Did you like the concert? - No, I don't like that style of music.
c. non- 
Una organización no gubernamental es una asociación que actúa con independencia del gobierno.A non-governmental organization is an association that operates independently from the government.
a.  no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
Vamos a la fiesta esta noche ¿no?We're going to the party tonight, aren't we?
Firmaste el contrato ¿no?You signed the contract, didn't you?
a.  no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
Deberíamos llamarlos ¿no?We should call them, shouldn't we?
Te acompaño ¿no?Why don't I come with you?
An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
a. no 
Quiero que limpies tu cuarto ahora mismo. - ¡No!I want you to clean your room right now. - No!
también(
tahm
-
byehn
)An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
1. (equally)
a. also 
París también es conocida como capital del mundo de la moda.Paris is also known as the fashion capital of the world.
b. too 
Yo tengo tres hermanos y mi mejor amiga también.I have three siblings and my best friend does too.
c. as well 
No había entendido el chiste, pero cuando vi que todo el mundo se reía, yo me reí también.I hadn't understood the joke, but when I saw everyone laughing, I did as well.