| Angol | Arab |
|---|
| rub to move one object while maintaining contact with another object over some area | حَكَّ فَرَكَ |
| rubber pliable material derived from the sap of the rubber tree | مَطَّاطm |
| rubber stamp piece of rubber to make an imprint | خَتْم مَطَّاطِيّ |
| rubble the broken remains of an object, usually rock or masonry | أَنْقَاضp رُكامm |
| rubidium element with atomic number 37 | رُوبِيدْيُوم |
| Rubik's cube cubical mechanical puzzle | مُكَعَّب رُوبِيكm |
| ruble Russian monetary unit | رُوبْلm |
| ruby type of gem | يَاقُوتm |
| Aruba territory in the Caribbean | أَرُوبَاf |
cherub (''biblical'') winged creature attending on God
| كَارُوبِيم |
| drub to beat with a stick | ضَرَبَ |
| grub immature insect | يَرَقَةf |
| Hasdrubal given name | صَدْرُبَعْلm |
| shrub drink | شَرَابm |
| shrub woody plant | شُجَيْرَةf |
