The word(s) "wailahu" appears 4 time(s) in 3 verse(s) in Quran.

(1) wailahukum ilahun wahidun la ilaha illa huwa alrrahmanu alrraheemu

(سورة البقرة, Al-Baqara, Chapter #2, Verse #163)
(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) Faakhraja lahum AAijlan jasadan lahu khuwarun faqaloo hatha ilahukum wailahu moosa fanasiya

(سورة طه, Taa-Haa, Chapter #20, Verse #88)
(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) Wala tujadiloo ahla alkitabi illa biallatee hiya ahsanu illa allatheena thalamoo minhum waqooloo amanna biallathee onzila ilayna waonzila ilaykum wailahuna wailahukum wahidun wanahnu lahu muslimoona

(سورة العنكبوت, Al-Ankaboot, Chapter #29, Verse #46)
(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)