repasar - to check, to go over, to review
reponer - to replace, to reinstate, to recover
reproducir - to reproduce
resecar - to over dry
resolver - to solve
restaurar - to restore
restituir - to restitute, to restore, to return
resucitar - to resuscitate
retar - to challenge
retardar - to slow down, to delay
retirar - to take away, to retire
