Retiro, prop. noun (the largest park in Madrid, laid out as a retreat [retiro] for one of the kings of Spain. It has shady walks and drives, with ponds, fountains and statuary).
retorcido, twisted, winding, crooked.
retozo, romping, frolic.
retrato, picture.
retroceder, to retreat.
retumbar, to resound.
reunión, f., assembly, gathering, party; lugar de —, rendezvous, place of meeting.
reunir(se), to assemble, gather (together), collect.
revelación, f., revelation, confession.