How to Say "intercourse" in Spanish
The Spanish word for “intercourse” is “sexo” — B1 level. This is a very common word in everyday Spanish.
English → SpanishB1
NounB1
a more formal term for the act

Examples
Es importante hablar de sexo seguro con tu pareja.
It's important to talk about safe sex with your partner.
La educación sobre el sexo es fundamental en las escuelas.
Sex education is fundamental in schools.
Tuvieron una conversación honesta sobre su vida de sexo.
They had an honest conversation about their sex life.
Using 'Sexo' as a Verb
Mistake: “Quiero sexo contigo.”
Correction: This sounds very blunt and grammatically strange. The natural way to say 'I want to have sex with you' is 'Quiero tener sexo contigo.' Always use a verb like 'tener' (to have) or 'practicar' (to practice) with 'sexo'.
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