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

4:35Wa in khiftum shiqaaqa baini himaa fab'asoo haka mam min ahlihee wa hakamam min ahlihaa; iny-yureedaaa islaah ai-yuwaffiqil laahu bainahumaa; innal laaha kaana 'Aleeman Khabeeraa

4:114laa khaira fee kaseerim min najwaahum illaa man amara bisadaqatin aw ma'roofin aw islaahim bainan naas; wa mai yaf'al zaalikab tighaaa'a mardaatil laahi fa sawfa nu'teehi ajran 'azeemaa