The word(s) "castidade" appears 4 time(s) in 4 verse(s) in Quran in Portuguese (Prof. Samir El-Hayek) translation.

(1) Ó irmão de Aarão, teu pai jamais foi um homem do mal, nem tua mãe uma (mulher) sem castidade!

(سورة مريم, Maryam, Chapter #19, Verse #28)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) E (recorda-te) também daquela que conservou a sua castidade (Maria) e a quem alentamos com o Nosso Espírito, fazendo dela e de seu filho sinais para a humanidade.

(سورة الأنبياء, Al-Anbiyaa, Chapter #21, Verse #91)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(3) Que observam a castidade,

(سورة المؤمنون, Al-Muminoon, Chapter #23, Verse #5)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(4) São aqueles que observam a castidade,

(سورة المعارج, Al-Ma'aarij, Chapter #70, Verse #29)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)