fraternal, brotherly
fraternizar, to fraternize
fratricida, a. and s., fratricidal; fratricide
fray, contraction of fraile, title used before the name of a monk, brother
frecuencia, frequency
frecuente, frequent
freno, bridle; restraint
frenología, phrenology
frente, f., forehead, brow;
hacer —— a, to face;
—— de, Arg., in one’s face
fresco, -a, fresh, cool