U - ar
ubicar to place, situate
untar to rub, to grease, oli
usar to use, to wear
utilizar to utilize
V - ar
vaciar to empty
valorar to value
valorizar to valorize
variar to vary
vendar to bandage, to cover
veranear to spend the summer
verificar to check, to verify
viajar to travel
visitar to visit
volar to fly, to blow
volcar to overturn, turn over, to empty out, pull over
vomitar to vomit
votar to vote
Z - ar
zapatear tap dance,  to tap one's feet;
zarpar to weigh anchor