frapper, to strike, tap.
fraterniser, to live as brothers.
fraternité, f., brotherhood.
frayeur, f., fright.
frelon, m., drone.
frémir, to shudder, shake, shudder at.
frémissant, -e, trembling.
frère, m., brother.
frisé, -e, curled, curly.
friser, to curl.