penetración, f., penetration.
penetrar, to penetrate.
penita, f., little pain, little grief.
penitencia, f., penitence, repentance.
penitente m. and f., penitent.
penos-o, -a, difficult.
pensamiento, m., thought, mind.
pensar, to think, mean, intend.
pensativ-o, -a, pensive, thoughtful.
peor, worse, worst.