Words so far:
Rapidmon
Rosemon
Rinkmon
Ruki
Raremon
Renamon
Rook Device (TCG card)
Ranamon
RookChessmon Kuro
Ryo
RookChessmon Shiro
Rika
Reppamon
Ravemon
Ravemon Burst Mode
RiseGreymon
Rekisumon XD
Ruchiemon (Romaji of Lucemon)
Rapidmon (Golden Armor)
Ruchiemon SATAN Mode (Romaji of Lucemon Shadow Lord Mode)
Raidramon
Ruchiemon Falldown Mode (Romaji of Lucemon Falldown Mode)
Ruchiemon Larva (Romaji of Lucemon Larva)
RookChessmon White
RookChessmon Black
RhodoKnightmon
RhinoKabuterimon
Regulumon Leo
Ryuudamon
Rosemon Burst Mode
Rhinomon
Richard (My name is Richard and I timed 2 episodes of Savers. And QCed many others. So that should count.) <-- I'm serious about this. Other people used names of staff members who worked on Digimon and they were accepted, so mine should be too. <-- Do You know, how many times my name has been deleted and how many times i posted my name again? (Nemo)
Rinchei Li (Shiuchon and Jenrya's elder brother)
Rising Destroyer (RiseGreymon's attack)
RedVeggiemon
Rosemon X
Revolmon
Rose Rapier < -yar it is Rosemon's Attack
Reichmon
Rhihimon <-Reichmon's dub name
Reaper - Cable Reaper from TCG
Reapermon
Raidenmon