How to Say "cunt" in Spanish
The Spanish word for “cunt” is “coño” — C2 level.
English → SpanishC2
nounC2slang
extremely vulgar term for female genitals

Examples
Esa es una palabra muy malsonante para referirse al coño.
That is a very foul word to refer to the [vulva].
Gender and Articles
Despite referring to female anatomy, the word itself is masculine, so it uses 'el' or 'un'.
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