Common words:
* Sophisticated: Highly developed, complex, or refined.
* Sophomore: A student in the second year of high school or college.
* Sophomoric: Immature and foolish, often associated with overconfidence.
* Sophistication: The quality of being sophisticated.
* Sophism: A specious argument, a clever but fallacious argument.
Less common words:
* Sophister: A person who uses fallacious arguments, especially to deceive.
* Sophy: A wise person, a philosopher (archaic).
* Sophiology: The study of wisdom.
* Sophomoricly: In a sophomoric manner.
* Sophomorism: A sophomoric act or opinion.
As you can see, the prefix "soph" is often associated with knowledge, learning, and sometimes a touch of arrogance or cleverness.