Manejar
To manage, to handle, to drive, to operate(a vehicle)
Maldecir
To curse
Mantener
To maintain, to keep up, to support, to provide for
Marcar
To mark, to note, to observe
Marchar
To march, to walk, to function(machine), to run(machine)
Marcharse
To go away, to leave
Matar
To kill
Medir
To measure, to weigh, to scan (verses)
Mejorar
To improve
Mencionar
To mention