read novels
root beer, RC cola
a synonym for slow beginning with the letter r is retard
rape
religion
Renfrew is a town in Scotland. It begins with the letter R.
rat
roach
red
reflection
Some five letter words that start with R are:racerradarradiorallyrapidreachregalrelayrepayremitresinrhymeriderridgerinserivalriverrivetroachrobinrobotroostrulerrumorrusty
Reduction is a synonym for sale. It begins with the letter r.
The name of the European fish with the name beginning with letter D and the third letter is R is Dory.