rugir - to roar, to rumble

recelar - to distrust; =--se de=, to distrust

recrearse - to amuse one's self

refrenar - to rein in, stop

refrescarse - to recuperate, gain new strength

regalarse - to treat one's self

repicar - to sound, ring, toll

retemblar, (ie) - to tremble

reunirse - to join; reunite, meet again

revender - resell

resorber - reabsorb

realzar - increments, to increase