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