With the Downfall of Númenor came the end of classical Adûnaic. The study and preservation of the language was neglected by the Exiles of Númenor, because they associated it with the rebellious and repressive Númenórean Kings.  With the Downfall of Númenor came the end of classical Adûnaic. The study and preservation of the language was neglected by the Exiles of Númenor, because they associated it with the rebellious and repressive Númenórean Kings.  