Thursday
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
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.
The eighteenth letter of the English alphabet, called ar and written in the Latin script.
right (as opposed to left)
reverse
restricted
Thursday.
Tuesday.
Tenor.
The sports statistic for ties in a given period under a given criteria.
A technical foul.
The Ford Motor Company's Model T automobile.
Testosterone. (Compare E, estrogen.)
A T wave.
Trailer car.
A T cell.
A T-beam.
The Massachusetts Bay Transportation Authority, or MBTA; specifically, the subway or train.
A T-shirt.
Teen.
American Library Association abbreviation of twentieth, a book size range (12.5-15 cm in height).
Transgender (TG) or transsexual (TS) (sometimes used in contrast to cisgender M or F; compare NB).
Taxable.
The twentieth letter of the English alphabet, called tee and written in the Latin script.
AT&T.
the prefix trans-.