step [stepped, stepping, steps](intransitive: to move the foot in walking) verb [UK: step] [US: ˈstep]He stepped on the brake. = Pisó el freno.
tread [trod, trodden, treading, treads](to step on) verb [UK: tred] [US: ˈtred]Fools rush in where angels fear to tread. = Los necios se apresuran a entrar donde los ángeles temen pisar.