rex (“king”) or regina (“queen”); the initial by which a British monarch signs documents after his or her name
the Crown, the government of a monarchy (abbreviating rex (“king”) or regina (“queen”))
rook
Thursday
Republican
ring
runs, the statistic reporting the number of runs scored by a player
radius
In the context of the documentary hypothesis, the Redactor(s) who compiled and edited the Torah.
right (as opposed to left)
reverse
restricted
The eighteenth letter of the English alphabet, called ar and written in the Latin script.