The difference between Deceit and Trickery

When used as nouns, deceit means an act or practice intended to deceive, whereas trickery means deception or underhanded behavior.

check bellow for the other definitions of Deceit and Trickery

Deceit as a noun:

An act or practice intended to deceive; a trick.

Examples:

"The whole conversation was merely a deceit."
Deceit as a noun:

An act of deceiving someone.
Deceit as a noun (uncountable):

The state of being deceitful or deceptive.
Deceit as a noun (legal):

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.

Trickery as a noun (uncountable):

Deception or underhanded behavior.
Trickery as a noun (uncountable):

The art of dressing up; imposture.
Trickery as a noun (uncountable):

Artifice; the use of one or more stratagems.
Trickery as a noun (countable):

An instance of deception, underhanded behavior, dressing up, imposture, artifice, etc.