*frugalmente* frugally
*fruto* m. fruit
*fuego* m. fire
*fuelle* m. bellows
*fuera* outside; *—— de sí* beside one's self
*fuerte* adj. and adv. loud; loudly; strong; strongly
*fuerza* f. force; *por ——* of necessity
*fulano* m. so-and-so
*fundar* found; base
*furioso* furious