perpetual (per-pet'u-al), continuing forever, endless.
perplexity (per-plek'si-ti), bewilderment; doubt.
persecution (pur'se-ku'shun), pursuing to injure; injury.
perseverance (pur'se-ver'ans), continuing in a given cause; persistence.
perusal (pe-rooz'al), a careful reading through.
pervade (per-vad'), spread through-out; pass through.
pervasive (per-va'siv), having the power to spread throughout.
perverse (per-vurs'), turned aside or away from the right, contrary.
perversity (per-vur'si-ti), the quality of being perverse.
pestilence (pes'ti-lens), any contagious disease that is devastating.