ت و بt-w-b
(ن) تَابَ يَتُوْبُ تَوْبَةً وَمَتَابًاtāba yatūbu tawbatan wa-matāban: to turn, to return; of the servant: to turn back from sin (with اِلٰىilā); of Allah: to turn with mercy (with عَلٰىʿalā). ﴿تُوْبُوْٓا اِلَي اللّٰهِ تَوْبَةً نَّصُوْحًا﴾ (At-Taḥrīm 66:8); ﴿فَاِنَّهُۥ يَتُوْبُ اِلَي اللّٰهِ مَتَابًا﴾ (Al-Furqān 25:71)
تَوَّابٌtawwāb (intensive form, ṣīghat al-mubālaghah, on the pattern faʿʿāl): one who turns back again and again; as an attribute of Allah: one who accepts repentance abundantly. ﴿فَتَابَ عَلَيْهِ اِنَّهُۥ هُوَ التَّوَّابُ الرَّحِيْمُ﴾ (Al-Baqarah 2:37); ﴿اِنَّ اللّٰهَ يُحِبُّ التَّوَّابِيْنَ﴾ (Al-Baqarah 2:222)