Litscape Default Censored Word List:
13 words ending with h, 17 letters long

duovigintillionth lymphoscintigraph nonagintilliardth novendecilliardth octingentillionth octogintilliardth quingentilliardth septendecillionth sesvigintillionth sexagintilliardth spectroheliograph unbluestockingish untrigintillionth