Lemma رَيْب has 2 unique word forms and appears 18 times in the Quran.

Word Translation Occurrences
رَيۡبَ a misfortune of time, doubt 28
رَيۡبٖ doubt 4
رَيۡبَۛ doubt 2
رَيۡبِهِمۡ their doubts 2