RDX. Short for Cyclotrimethylenetrinitramine.
Rhinoceros is a strong animal. It begins with the letter r.
Radiation is a 6th grade science word. It begins with the letter R.
· reservoir
What power tool start with the other the letter r besides Ryobi
Things people use that begin with the letter r:radioraincoatraftrakerattlerefrigeratorrevolverribbonrifleroberoperosaryrougerowboatruler
Some five letter words that start with R are:racerradarradiorallyrapidreachregalrelayrepayremitresinrhymeriderridgerinserivalriverrivetroachrobinrobotroostrulerrumorrusty
Some geographic features that start with the letter "R" include rivers, ravines, and reefs.
Some six letter words that start with W and end with R are:waiterwaiverwalkerwanderwasherweaverwelderwelterwickerwinnerwinterwitherwooferwriter
A robe
Righteous
Rame
Richardson,
raspberries
brassybrainybracesbrakesbrattybravedbraverbrazenbreastbreaksbreathbrightbribedbricksbriefsbrokenbrokerbroilsbroomsbruisebrutal
raspberry radish
Rhinoceros is a strong animal. It begins with the letter r.
There are no cyst names that start with the letter R. A cyst is a closed capsule or sac-like structure that is filled with a liquid.