- Fake is a less formal term for any person or thing that is not genuine a fake doctor, chimney, etc. See also syn. study at faithless.
- Counterfeit and the colloquial bogus apply to a very careful imitation and always imply intent to deceive or defraud counterfeit, or bogus, money
- Sham refers to an imitation or simulation of something and usually connotes intent to deceive sham piety
- False , in this comparison, refers to anything that is not in essence that which it purports to be and may or may not connote deliberate deception false hair, false eyelashes