Knock-off: A copy, but doesn't use the name of the original.
Counterfeit: A copy, that uses the name of the original.
Fake: Doesn't work properly, or is copied only partly (for example using brass instead of gold), but claims to be original.
Imitation: Uses cheaper materials, but is upfront about it.
There are two attributes: Deception and Accuracy. Each combination of those two gets a name.
Knock-off: A copy, but doesn't use the name of the original.
Counterfeit: A copy, that uses the name of the original.
Fake: Doesn't work properly, or is copied only partly (for example using brass instead of gold), but claims to be original.
Imitation: Uses cheaper materials, but is upfront about it.
There are two attributes: Deception and Accuracy. Each combination of those two gets a name.