Pacific - Troubled, Agitated
Pacify - Perturb
Pageantry - Lackluster
Painful - Effortless, Easy, Facile
Painstaking - Slipshod
Palatable - Unsatisfactory, Abhorrent
Palatial - Unpretentious
Pale - Florid
Palliate - Aggravate, Inflame
Palliative - Aggravating