fool A2

/fuːl/ A person who behaves in a silly way or shows poor judgement.

foolishness C2+

/ˈfuːlɪʃnəs/ lack of good sense; silly behavior

foolery C2+

/ˈfuləri/ foolish or absurd behavior; silly conduct

befool C2+

/bɪˈful/ to deceive or make a fool of someone