It is not a voice, it is a freak of grammar.

It is masculine, feminine, and neuter in gender, singular by nature, and generally accusative, and it is optative in mood and full of acute accents.

If you can find such another voice in creation, sir, I will forfeit mine in the King's councils." Adonis laughed now, and Dolores remembered the laughter she had heard from the window.
"Does his Majesty consult you on matters of state ?" inquired Don John.
"Answer quickly, for I must be going." "It takes twice as long to tell a story to two men, as to tell it to one,--when you have to tell them different stories," "Go, Fadrique," said Don John, "and shut the door." The dwarf, seeing the servant gone, beckoned Don John to the other side of the room.
"It is no great secret, being only the King's," he said.

"His Majesty bids me tell your Serene Highness that he wishes to speak with you privately about some matters, and that he will come here soon after supper, and begs you to be alone." "I will be here--alone." "Excellent, sir.

Now there is another matter of secrecy which is just the contrary of what I have told you, for it is a secret from the King.
A lady laid a letter and two white carnations on your writing-table.