The word(s) "lutai" appears 2 time(s) in 2 verse(s) in Quran in Portuguese (Prof. Samir El-Hayek) translation.

(1) Ó fiéis, temei a Deus, tratai de acercar-vos d'Ele e lutai pela Sua causa, quiçá assim prosperareis.

(سورة المائدة, Al-Maaida, Chapter #5, Verse #35)
(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 se for revelada uma surata que lhes prescreva: Crede em Deus e lutai junto ao Seu Mensageiro! Os opulentos, entreeles, pedir-te-ão para serem eximidos e dirão: Deixa-nos com os isentos!

(سورة التوبة, At-Tawba, Chapter #9, Verse #86)
(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)