distinguishable above all, though not loud, was the sonorous voice of the master of Thornfield Hall, welcoming his fair and gallant guests under its roof.
Charlotte Brontë. Jane Eyre (1847)
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How she listened at first to the sonorous lamentations of its romantic melancholies reechoing through the world and eternity!
Gustave Flaubert. Madame Bovary
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He'd sat with his window open, listening to the buoys out on Bull's Bay make their sonorous music, [...].