(ض) وَفٰى يَفِيْ وَفَآءًwafā yafī wa-fāʾan (original form: وَفَيَ يَوْفِيُwafaya yawfiyu): to complete something; to fulfil (a promise); (of something) to be completed. (this verb is not used in the Quran).
Form IV (ifʿāl) اَوْفٰى يُوْفِيْ اِيْفَآءًawfā yūfī īfāʾan: to fulfil (a covenant, a measure, etc.) in full; مُوْفٍmūf pl. مُوْفُوْنَmūfūna (active participle, ism fāʿil): one who fulfils; اَوْفٰىawfā (elative, ism tafḍīl): most faithful in fulfilling. ﴿وَاَوْفُوْا بِعَهْدِيْٓ اُوْفِ بِعَهْدِكُمْ﴾ (Al-Baqarah 2:40); ﴿وَالْمُوْفُوْنَ بِعَهْدِهِمْ اِذَا عٰهَدُوْا﴾ (Al-Baqarah 2:177); ﴿وَمَنْ اَوْفٰى بِعَهْدِهِۦ مِنَ اللّٰهِ﴾ (At-Tawbah 9:111)
Form II (tafʿīl) وَفّٰى يُوَفِّيْ تَوْفِيَةًwaffā yuwaffī tawfiyatan: to give someone his due in full; to discharge (a responsibility) completely. ﴿اِنَّمَا يُوَفَّي الصّٰبِرُوْنَ اَجْرَهُمْ بِغَيْرِ حِسَابٍ﴾ (Az-Zumar 39:10); ﴿وَاِبْرٰهِيْمَ الَّذِيْ وَفّٰٓى﴾ (An-Najm 53:37)
Form V (tafaʿʿul) تَوَفّٰى يَتَوَفّٰى تَوَفِّيًاtawaffā yatawaffā tawaffiyan: to take (one's) due in full; to take the soul (at death); مُتَوَفٍّmutawaff (اصلاً مُتَوَفِّيٌaṣlan mutawaffiy, active participle, ism fāʿil): one who takes in full. ﴿اَللّٰهُ يَتَوَفَّي الْاَنْفُسَ حِيْنَ مَوْتِهَا﴾ (Az-Zumar 39:42); ﴿اِنِّيْ مُتَوَفِّيْكَ وَرَافِعُكَ اِلَيَّ﴾ (Āl ʿImrān 3:55)