piece, peace.
peach (fruit), peach (impeach).
peer (to look), peer (s.), pier.
pill (ball), pill (to pillage).
pink (a flower), pink (a colour), pink (to pierce).
pip (a seed), pip (a disease), pip (on cards).
pitch (s.), pitch (to fall, &c.).
plight (pledge), plight or plite (to plait), and 'sad plight'.
plat (of ground), plait.
plum, plumb.