(ض) حَقَّ يَحِقُّ حَقًّاḥaqqa yaḥiqqu ḥaqqan: for a thing or a statement to be in accordance and agreement with another thing or statement: (1) to be established, to accord with a claim (2) to be true (3) to be purposeful. ﴿لَقَدْ حَقَّ الْقَوْلُ عَلٰٓى اَكْثَرِهِمْ﴾ (Yā Sīn 36:7)
(ن) حَقَّ يَحُقُّ حَقًّاḥaqqa yaḥuqqu ḥaqqan (transitive): to make something accord with a thing or a statement.
حَقٌّḥaqq: established truth. ﴿وَقُلْ جَآءَ الْحَقُّ وَزَهَقَ الْبَاطِلُ﴾ (Al-Isrāʾ 17:81)
حَآقٌّḥāqq (active participle, ism fāʿil), feminine حَآقَّةḥāqqah: that which is certain to come to pass (the Resurrection). ﴿اَلْحَآقَّةُ مَا الْحَآقَّةُ﴾ (Al-Ḥāqqah 69:1–2)
اَحَقُّaḥaqqu (elative, ism tafḍīl): more entitled, worthier. ﴿وَاللّٰهُ اَحَقُّ اَنْ تَخْشٰىهُ﴾ (Al-Aḥzāb 33:37)
Form II (tafʿīl) حَقَّقَ يُحَقِّقُ تَحْقِيْقًاḥaqqaqa yuḥaqqiqu taḥqīqan: to ascertain the truth of a matter; to verify by investigation (this verb is not used in the Quran).
Form IV (ifʿāl) اَحَقَّ يُحِقُّ اِحْقَاقًاaḥaqqa yuḥiqqu iḥqāqan: to establish, to prove. ﴿لِيُحِقَّ الْحَقَّ وَيُبْطِلَ الْبَاطِلَ﴾ (Al-Anfāl 8:8)
Form X (istifʿāl) اِسْتَحَقَّ يَسْتَحِقُّ اِسْتِحْقَاقًاistaḥaqqa yastaḥiqqu istiḥqāqan: to deserve; to be guilty of. ﴿فَاِنْ عُثِرَ عَلٰٓى اَنَّهُمَا اسْتَحَقَّآ اِثْمًا﴾ (Al-Māʾidah 5:107)