Rub along
Have a reasonably good relationship
Rub down
Dry or clean something with a cloth
Rub in
Apply a substance like cream or ointment and rub it until it is absorbed
Rub it in
Emphasise how bad a situation is to make someone feel worse
Rub off on
Pass a quality or characteristic to people
Rub out
Delete ink or pencil with an eraser
Rub up against
Touch someone in a sensual or sexual way
Rub up on
Revise