fingir, to feign, pretend.
fino, fine, perfect, well-bred, cultivated.
finura, tact, good manners, courtesy.
firme, firm, strong, stiff, constant; en —, hard; de —, severely; copiously, in torrents (as rain).
firmemente, firmly.
firmeza, firmness.
firmísimo (from firme), very firm.
fiscal, m., attorney-general, prosecuting attorney.
físico, physical.
fisiólogo, physiologist.