Root ر ب و(r b w) has 13 unique word forms and appears 20 times in the Quran.

Word Translation Occurrences
ٱلرِّبَوٰاْ (of) [the] usury, the usury, [the] usury 6
ٱلرِّبَوٰٓاْ the usury, [the] usury 4
رَّابِيٗاۖ rising 2
رَّابِيَةً exceeding 2
رِّبٗا usury 2
رَبۡوَةٖ a high ground 2
رَبَّيَانِي they brought me up 2
ٱلرِّبَوٰاْۗ [the] usury 2
ٱلرِّبَوٰاْۚ [the] usury 2
لِّيَرۡبُوَاْ to increase 2
نُرَبِّكَ we bring you up 2
وَرَبَتۡ and it swells 2
وَرَبَتۡۚ and grows 2
وَيُرۡبِي and (gives) increase 2
أَرۡبَىٰ more numerous 2
يَرۡبُواْ (will) increase 2
بِرَبۡوَةٍ on a height 2