Do you know ghouls from goblins and ghosts?
"to reveal, expose," c.1300, from be- + wray. "Probably more or less of a conscious archaism since the 17th c." [OED] Related: Bewrayed; bewraying.
to reveal or disclose; an old English word equivalent to "betray" (Prov. 27:16; 29:24, R.V., "uttereth;" Isa. 16:3; Matt. 26:73).