Grill and Grille

Grill – cooking implement or as a verb meaning to cross-examine. Grille – Grating that covers an opening or referring to the opening itself which is covered with grating.

Four, Fore and For

Four – the number after three Fore – referencing the front of something, foreground, foreword, etc.  It’s also the most common yell you hear right before hearing swearing on a golf course. For – preposition