(س) رَسِلَ يَرْسَلُ رَسَلًاrasila yarsalu rasalan: to set out to deliver a message.
رَسُوْلٌrasūl pl. رُسُلٌrusul (adjective): one sent forth, messenger. ﴿مُحَمَّدٌ رَّسُوْلُ اللّٰهِ﴾ (Al-Fatḥ 48:29); ﴿تِلْكَ الرُّسُلُ فَضَّلْنَا بَعْضَهُمْ عَلٰى بَعْضٍ﴾ (Al-Baqarah 2:253)
رِسَالَةٌrisālah pl. رِسٰلٰتٌrisālāt: message. ﴿اَبْلِغُكُمْ رِسٰلٰتِ رَبِّيْ﴾ (Al-Aʿrāf 7:62)
Form III (mufāʿalah) رَاسَلَ يُرَاسِلُ مُرَاسَلَةًrāsala yurāsilu murāsalatan: to send each other letters or messages; to correspond (this verb is not used in the Quran).
Form IV (ifʿāl) اَرْسَلَ يُرْسِلُ اِرْسَالًاarsala yursilu irsālan: to send someone forth, to dispatch; to let loose. ﴿اِنَّآ اَرْسَلْنٰكَ شَاهِدًا وَّمُبَشِّرًا وَّنَذِيْرًا﴾ (Al-Aḥzāb 33:45)
مُرْسِلٌmursil (active participle, ism fāʿil): sender. ﴿اِنَّا مُرْسِلُوا النَّاقَةِ فِتْنَةً لَّهُمْ﴾ (Al-Qamar 54:27)
مُرْسَلٌmursal pl. مُرْسَلُوْنَmursalūna, feminine مُرْسَلٰتmursalāt (passive participle, ism mafʿūl): sent. ﴿اِنَّكَ لَمِنَ الْمُرْسَلِيْنَ﴾ (Yā Sīn 36:3); ﴿وَالْمُرْسَلٰتِ عُرْفًا﴾ (Al-Mursalāt 77:1)