ر-د-د Arabic Root

A1verb

رَدَّ

radda

to reply / to return (something)

Example

ردَّ على رسالتي بسرعةٍ

radda ʿalā risālatī bisurʿatin

He replied to my message quickly

Root: ر-د-د Verbs Communication

Grammar

Doubled verb (Form I). Past: radda, Present: yaruddu. Takes 'alā (على) when meaning 'to reply'.

B2noun

رِدَّةٌ

riddah

apostasy / turning back (from faith)

Example

وَمَنْ يَرْتَدِدْ مِنْكُمْ عَنْ دِينِهِ فَيَمُتْ وَهُوَ كَافِرٌ فَأُولَئِكَ حَبِطَتْ أَعْمَالُهُمْ

wa-man yartadid minkum ʿan dīnihī fayamut wa-huwa kāfirun fa-ulāʾika ḥabiṭat aʿmāluhum

And whoever of you reverts from his religion and dies as a disbeliever — for those, their deeds are nullified (2:217)

Root: ر-د-د Quranic

Grammar

Feminine noun (maṣdar). Verb: اِرْتَدَّ (Form VIII, to turn back/apostatize). مُرْتَدٌّ (apostate). The Quranic consequence is nullification of deeds and loss in the afterlife.

Culture

The Quran addresses riddah as a spiritual consequence, not prescribing earthly punishment — the nullification is of deeds in the afterlife.