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

(1) Walaqad anzalna ilayka ayatin bayyinatin wama yakfuru biha illa alfasiqoona

(سورة البقرة, Al-Baqara, Chapter #2, Verse #99)
(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) Waqala innama ittakhathtum min dooni Allahi awthanan mawaddata baynikum fee alhayati alddunya thumma yawma alqiyamati yakfuru baAAdukum bibaAAdin wayalAAanu baAAdukum baAAdan wamawakumu alnnaru wama lakum min nasireena

(سورة العنكبوت, Al-Ankaboot, Chapter #29, Verse #25)
(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) Walawla an yakoona alnnasu ommatan wahidatan lajaAAalna liman yakfuru bialrrahmani libuyootihim suqufan min fiddatin wamaAAarija AAalayha yathharoona

(سورة الزخرف, Az-Zukhruf, Chapter #43, Verse #33)
(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)