subtle

The difference is subtle, but you can hear it if you listen carefully.

Now the serpent was more subtill then any beast of the field, which the LORD God had made, and he said vnto the woman, Yea, hath God said, Ye shall not eat of euery tree of the garden?

And if King Edward be as true and iuſt, / As I am Subtle, Falſe, and Treacherous,