R
Rasmus Rask
recipient noun
recursive acronym
reduplication
referent
reflexive pronoun
reflexive verb
register
regretful regrettable
relative clause
relative pronoun
relativizer
restrictive clause
retronym
reverse solidus (\)
rhetoric
rhetorical question
rhetorical question mark
rhopalic
rhotacism
Richard Trench
Robert Lowth
root
rune