凝乎と[jitto] motionlessly
確乎[kakko] firm
乎己止点[okototen] marks to aid in reading Chinese classics
断乎[danko] firm
嗟乎[aa] Ah!

天爾乎波[teniwoha] postpositions
断断乎[dandanko] firm
牢乎[rouko] firm
醇乎[junko] pure
確乎不抜[kakkofubatsu] determined

永牢[eirou] life imprisonment
堅牢[kenrou] solid
入牢[nyuurou] imprisonment
牢屋[rouya] jail
破牢[harou] prison breaking

牢獄[rougoku] prison
土牢[tsuchirou] dungeon
水牢[mizurou] (punishment by being placed in a) water-filled chamber
牢固[rouko] firm
牢死[roushi] dying in prison