Pasta. Noodles.
Pasta dishes. You may see this heading on a menu.
Pasta salad, cold and usually with vegetables, perhaps some ham.
Parsnip
Peanut (US: ground nut).
Pecan nut
Penknife
Pepper
Pepper pot (US: pepper shaker)
Ginger biscuit. Brown biscuits (US: cookies) often made around Christmas. Actually flavoured with ginger, cinnamon and cloves and containing mixed peel.