2 verses have
kuffooo
in Edition English Transliteration / An-Nisaa (The Women)

4:77Alam tara ilal lazeena qeela lahum kuffooo aidiyakum wa aqeemus Salaata w aaatuz Zakaata falammaa kutiba 'alaihimul qitaalu izaa fareequm minhum yakhshawnnan naasa kakhashyatil laahi aw ashadda khashyah; wa qaaloo Rabbanaa lima katabta 'alainal qitaala law laaa akhkhartanaa ilaaa ajalin qareeb; qul mataa'ud dunyaa qaleelunw wal Aakhiratu khairul limanit taqaa wa laa tuzlamoona fateelaa

4:91Satajidoona aakhareena yureedoona ai yaamanookum wa yaamanoo qawmahum kullamaa ruddooo ilal itnati urkisoo feehaa; fa il lam ya'tazilookum wa yulqooo ilai kumus salama wa yakuffooo aidiyahum fakhuzoohum waqtuloohum haisu saqif tumoohum; wa ulaaa'ikum ja'alnaa lakum 'alaihim sultaanam mubeenaa