Perfidiousness [noun]

Saith Q. Curtius, Perfidiousness is a crime which no merits can mitigate.

This was by perfidiousness to draw her into a snare to her undoing.

Again he had a sad proof of the perfidiousness of Europeans.

She once went so far as to say, that it was not superior discernment, which enabled her to suspect the perfidiousness of Walter.

Sabine's eyes opened upon new vistas of man's perfidiousness.

They must have been the last flickerings of a conscience not quite dead to all sense of perfidiousness and fickleness.

Wherein our men are guilty of the most horrid cowardice and perfidiousness, as he says and tells it, that ever Englishmen were.

I had not been married eight months when you suspected me of every perfidiousness, and you even told me so.

Abhor covetousness and ambition; or else a bribe or the promise of preferment, will tempt you to perfidiousness.

And it must be practice first, that must make words credible, when the person by perfidiousness hath forfeited his credit.