fenómeno, m., phenomenon.
feo, -a, ugly.
fervor, m., fervor.
fiel, faithful, true, exact.
fiera, f., wild beast.
fiesta, f., feast, holiday, entertainment; hacer —s á, to fondle, dandle, play with.
figura, f., figure, form.
figurar, to figure, be represented as; —se, to imagine.
fijar, to fix; —se en, to notice closely.
filosofar, to philosophize.