Overdo vs. Overdue
Palate vs. Palette
Passed vs. Past
Patience vs. Patients
Peace vs. Piece
Peak vs. Peek
Pedal vs. Peddle
Perpetrate vs. Perpetuate
Perquisite vs. Prerequisite
Persecute vs. Prosecute
Personal vs. Personnel
Prospective vs. Perspective
Disturb vs. Perturb
Perverse vs. Perverted
Plain vs. Plane
Pole vs. Poll
Pore vs. Pour
Possum vs. Opossum
Pray vs. Prey
Precedence vs. Precedents