Deception
Part of speech: noun
Definition: An instance of actions and/or schemes fabricated to mislead and/or delude someone into errantly believing a lie or inaccuracy.
Example sentence: Art is the most beautiful deception of all. And although people try to incorporate the everyday events of life in it, we must hope that it will remain a deception lest it become a utilitarian thing, sad as a factory.
Deceit
Part of speech: noun
Definition: Any attempt or disposition to deceive or lead into error; any declaration, artifice, or practice, which misleads another, or causes him to believe what is false; a contrivance to entrap; deception; a wily device; fraud.Any trick, collusion, contrivance, false representation, or underhand practice, used to defraud another. When injury is thereby effected, an action of deceit, as it called, lies for compensation.The tort or fraudulent representation of a material fact made with knowledge of its falsity, or recklessly, or without reasonable grounds for believing its truth and with intent to induce reliance on it; the plaintiff justifiably relies on the deception, to his injury.
Example sentence: To be without guile is to be free of deceit, cunning, hypocrisy, and dishonesty in thought or action.