jorobar - to be a nuisance
jubilar - to retire
jugar - to play (deportes, juegos)
juguetear - to play
juramentar - to swear, to take an oath
justificar - to justify
juzgar - to judge
jactar - to boast, to brag
joder - to fuck, to screw up, to piss off
juego malabar - juggle
jubilarse - retire
