Litscape Default Censored Word List:
28 words ending with of, 9 letters long

acidproof bombproof dustproof evilproof fireproof foolproof germproof gnatproof goofproof hailproof heatproof horsehoof leakproof mothproof nailproof ovenproof overproof rainproof rustproof sandproof seepproof slipproof snowproof sootproof tearproof wartproof waveproof windproof