ramen~

Chinese noodles (in broth)

rei [(o)rei]~

greeting; thanks; gift; zero; precedent [gee, you would've thought the defination would have been spiritual…]

Reikai~

Spirit World (YYH concept)

Reikai Tantei~

Spirit World Dectectives (YYH concept)

Reiki (or Rei-ki)~

a human's spiritual energy (YYH concept)

renchu/renju~

gang

rikutsu~

logic

ronri~

logic

ryouga~

endurance

ryoukai~

Roger!

ryouri~

food

ryu~

dragon

ryucho(na)~

fluent