However, depending on the context, you could use various prefixes to convey a similar meaning:
* Co-: This prefix suggests working together or jointly, which aligns with the idea of complementing something. For example, "co-dependent" or "co-author."
* Counter-: This prefix implies opposing or contrasting, which can be relevant if the complement is seen as balancing something out. For example, "counter-argument" or "counter-productive."
* Inter-: This prefix indicates a connection or interaction between elements, which is relevant if the complement is seen as interacting with something else. For example, "interconnected" or "interdependent."
The best prefix to use will depend on the specific nuance you want to express.
For example, if you're talking about two things that fit together well, "co-" might be the best choice. But if you're talking about something that balances or offsets another thing, "counter-" might be more appropriate.
Ultimately, the choice of prefix is a matter of style and context.