(س، ض) قَرَّ يَقَرُّ وَيَقِرُّ قَرًّا وَقَرَارًاqarra yaqarru wa-yaqirru qarran wa-qarāran (original form: قَرِرَ يَقْرَرُqarira yaqraru): (1) for a thing to grow cold and settle (2) to stay in a place, to settle down; «قَرَّتْ عَيْنُهُۥqarrat ʿaynuhu» = his eye grew cool, i.e. he was gladdened. ﴿كَيْ تَقَرَّ عَيْنُهَا﴾ (Ṭā Hā 20:40); ﴿وَقَرْنَ فِيْ بُيُوْتِكُنَّ﴾ (Al-Aḥzāb 33:33)
قُرَّةٌqurrah: coolness; «قُرَّةُ عَيْنٍqurratu ʿayn» = coolness of the eyes, delight. ﴿قُرَّتُ عَيْنٍ لِّيْ وَلَكَ﴾ (Al-Qaṣaṣ 28:9)
قَرَارٌqarār (verbal noun, maṣdar, also a noun, ism dhāt): settledness, abode. ﴿اَمَّنْ جَعَلَ الْاَرْضَ قَرَارًا﴾ (An-Naml 27:61)
Form II (tafʿīl) قَرَّرَ يُقَرِّرُ تَقْرِيْرًاqarrara yuqarriru taqrīran: to establish and settle a matter; to make someone firm in something (this verb is not used in the Quran).
Form IV (ifʿāl) اَقَرَّ يُقِرُّ اِقْرَارًاaqarra yuqirru iqrāran: to make a matter settled, i.e. to affirm it, to acknowledge. ﴿ثُمَّ اَقْرَرْتُمْ وَاَنْتُمْ تَشْهَدُوْنَ﴾ (Al-Baqarah 2:84)
Form X (istifʿāl) اِسْتَقَرَّ يَسْتَقِرُّ اِسْتِقْرَارًاistaqarra yastaqirru istiqrāran: to settle deliberately, to take up one's abode; مُسْتَقَرٌّmustaqarr (passive participle, ism mafʿūl, used as a noun of place, ẓarf): abode, resting place. ﴿وَلَكُمْ فِي الْاَرْضِ مُسْتَقَرٌّ وَّمَتَاعٌ اِلٰى حِيْنٍ﴾ (Al-Baqarah 2:36)