I am sure your Lordship is concerned in the former, and I think also in the latter; a good part whereof was written in characters, and cyphers set for the names. He that did undecypher it is a most honest man, and is very confident he hath hit it right.
Source: wiktionary
It were very good policy in times of warre, suites, or jealousie, to learne to undecipher mouths, lookes, and gates; there is more to be got out of them, then out of this extaticall speech […]
Source: wiktionary
The extraordinary beauty of the delinquent made several painters of those times draw her portrait, many copies of which are still to be found in Rome, exhibiting the softest features, and a Lavater would have had much ado to undecypher from them the blackness of the soul.
Source: wiktionary
Many attempts have been made to undecipher the script, but at present there is a lot of controversy on this matter. The only remaining clue as to unravel the meaning of the images is offered by comparison with similar subjects.
Source: wiktionary