Ulysses vocabulary

certes she will neither conceive sinisterly of my sudden suit, neither be coy to receive me into her service,

John Lyly. Euphues: The Anatomy of Wit (1578)

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His impudence, certes, passed all belief.

Baroness Emmuska Orczy. The League of the Scarlet Pimpernel

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And certes, if it n'ere too long to hear,

I would have told you fully the mannere,

How wonnen was the regne of Feminie,

By Theseus, and by his chivalry;

Chaucer. The Canterbury Tales, and Other Poems