General:
* Pseudonym: A fictitious name used by an author, artist, etc.
* Pseudocode: A simplified programming language used to plan algorithms.
* Pseudology: The practice of deliberate deception, especially in religious matters.
* Pseudohistory: A fabricated or distorted account of historical events.
* Pseudophilosophy: A philosophy that is superficial or false.
* Pseudoreligion: A religion that is not genuine or authentic.
* Pseudomedicine: A medical practice that is not scientifically valid.
* Pseudo-science: A belief or practice that is presented as scientific but lacks scientific evidence.
* Pseudo-intellectual: A person who pretends to be more intellectual than they actually are.
Scientific:
* Pseudogenes: Genes that have lost their function through mutations.
* Pseudomonas: A genus of bacteria, some of which can cause disease.
* Pseudocyst: A fluid-filled cavity that is not a true cyst.
* Pseudopodium: A temporary extension of the cytoplasm of a cell that is used for movement or feeding.
* Pseudomembrane: A false membrane that can form on mucous membranes.
Other:
* Pseudofruit: A botanical fruit that develops from the ovary of a flower, but is not a true fruit in culinary terms (e.g., strawberries).
* Pseudo-event: An event that is staged primarily for the purpose of media attention.
This is not an exhaustive list, but it provides a good starting point for understanding the various uses of "pseudo".