覆 （フク） concealment (of one's vices), veil, cover, overturning, toppling

覆面 （フクメン） mask, veil, disguise, anonymous, unmarked, incognito

被覆 （ヒフク） coating, covering, cover

傾覆 （ケイフク） turning upside down

覆う （おおう） to cover, to hide, to conceal, to wrap, to disguise

覆す （くつがえす） to overturn, to capsize, to upset, to overthrow (government etc.), to reverse (decision etc.), to disprove (an established theory etc.), to overrule

覆る （くつがえる） to topple over, to be overturned, to capsize, to be overruled, to be reversed, to be discredited