Root ر ي ب(r y b) has 13 unique word forms and appears 36 times in the Quran.

Word Translation Occurrences
رَيۡبَ a misfortune of time, doubt, a misfortune of time, doubt 28
مُرِيبٖ disquieting, disquieting, suspicious, suspicious 10
ٱرۡتَبۡتُمۡ you doubt, you doubt 4
رَيۡبٖ doubt, doubt 4
رَيۡبِهِمۡ their doubts, their doubts 2
لَّٱرۡتَابَ surely (would) have doubted, surely (would) have doubted 2
مُّرۡتَابٌ a doubter, a doubter 2
مُّرِيبٍ doubter, doubter 2
مُّرِيبِۭ disquieting, disquieting 2
وَٱرۡتَابَتۡ and (are in) doubts, and (are in) doubts 2
وَٱرۡتَبۡتُمۡ and you doubted, and you doubted 2
يَرۡتَابَ may doubt, may doubt 2
تَرۡتَابُوٓاْ you (have) doubt, you (have) doubt 2
يَرۡتَابُواْ doubt, doubt 2
ٱرۡتَابُوٓاْ do they doubt, do they doubt 2
رَيۡبَۛ doubt, doubt 2
رِيبَةٗ a (cause of) doubt, a (cause of) doubt 2