Fore-head, tal, talcen
For-eign, estronol, tramor
Fore-man, blaenor; hyfforddwr
Fore-most, blaenaf; ym mlaenaf
Fore-see, rhagweled; rhagwybod
Fore-sight, rhagolwg, rhagwelediad
For-est, coedwig: fforestu
Fore-tell, rhagfynegi, darogan
Fore-ward, y wyneb, y tu wyneb
Fore-warn, rhagrybuddio