noun, masculine/makaɾˈtismo/plural: maccarthismos
maccarthismo is masculine in Spanish.
McCarthyism
“Un año después, ella publica unas memorias letales para el escritor, que devolverá el golpe en Me casé con un comunista, donde una actriz traiciona y deja a los pies de los caballos del maccarthismo a su marido.” — A year later, she publishes some lethal memoirs for the writer, who will strike back in I Married a Communist, where an actress betrays her husband and leaves her husband at the feet of the McCarthyism horses.