Unking

God save King Harry, unking’d Richard says, And send him many years of sunshine days!

Source: wiktionary

[…] the Scots were a free Nation, made King whom they freely chose, and with the same freedome un-Kingd him if they saw cause, by right of ancient laws and Ceremonies yet remaining,

Source: wiktionary

1754, Arthur Murphy, The Gray’s-Inn Journal, No. 66, 19 January, 1754, in Volume 2, London: P. Vaillant, 1756, p. 85, The jesting of his Fool wholly turns upon his unkinging himself and retaining nothing, which Lear minutely attends to,

Source: wiktionary

“Yes,” cried Jonathan; “that greenhorn, standing there by the Commodore, is sailing under false colours; he's an impostor, I say; he wears my crown.” “[…] I say, Jonathan, my lad, don’t pipe your eye now about the loss of your crown; for, look you, we all wear crowns, from our cradles to our graves, and though in double-darbies in the brig, the Commodore himself can’t unking us.”

Source: wiktionary