ferrocarril, m., railroad.
fertil, fertile.
festejarse, to enjoy one's self.
fiado,-a, trusted; al ——, on trust.
fiar, to trust.
fiel, faithful.
fiero,-a, wild; defiant.
figura, f., face.
fijar, to fix, fasten; —se, to concentrate; me fijo mejor, I look more closely.
fila, f., rank; file.