bewray
(archaic) To accuse; malign; speak evil of.
To reveal, divulge, or make (something) known; disclose.
To reveal or disclose and show the presence or true character of, especially if unintentionally or incidentally, or else if perfidiously, prejudicially, or to one's discredit.
(obsolete) To expose to harm.
But we will not eat nor drink with the lords of Witchland, who bewrayed and forsook us their sworn confederates at the sea-fight against the Ghouls.
(obsolete) To expose (a deception).
(obsolete) To soil or befoul; to beray.