Prefixes:
* Non-linear: The most straightforward option, meaning something that does not follow a straight line or a simple relationship.
* Unlinear: Similar to "non-linear" but slightly less common.
* Alinear: Less common, but still understandable.
Suffixes:
* Nonlinear: This is the preferred spelling in many contexts, especially in mathematics and computer science.
Other options:
* Curvilinear: This specifically means something that follows a curved line.
* Nonlinear: Similar to "non-linear" but emphasizes the lack of a direct relationship.
* Fractal: This refers to a complex and self-similar pattern that is inherently non-linear.
The best option depends on the specific context and the nuance you want to convey.