Litscape Default Censored Word List:
12 words ending with th, 16 letters long

decicentillionth nonagintillionth novendecillionth octodecilliardth octogintillionth quindecilliardth quingentillionth sexagintillionth trecentilliardth trescentillionth trigintilliardth unvigintillionth