General:
* Pro- (meaning "in favor of" or "for" - can imply expertise or proficiency) - Example: "Pro-skill"
* Super- (meaning "above" or "beyond" - can suggest exceptional skill) - Example: "Super skill"
* Master- (meaning "highly skilled" - implies expertise and mastery) - Example: "Master skill"
* Expert- (meaning "having a high level of knowledge or skill" - implies specific knowledge and proficiency) - Example: "Expert skill"
More Specific:
* Micro- (for very specific skills) - Example: "Micro skill"
* Macro- (for broader, overall skills) - Example: "Macro skill"
* Multi- (for skills involving multiple aspects) - Example: "Multi-skill"
* Cross- (for skills that transfer across different areas) - Example: "Cross-skill"
* Inter- (for skills that involve interacting with others) - Example: "Inter-skill"
Other options:
* Skill- (sometimes used as a standalone prefix) - Example: "Skill-building"
* Adroit- (meaning "skillful" or "dexterous") - Example: "Adroit skill"
* Dexterous- (meaning "skillful with the hands") - Example: "Dexterous skill"
* Proficient- (meaning "skilled" or "competent") - Example: "Proficient skill"
The best prefix will depend on the context of your usage. It's important to consider the nuance and meaning you want to convey.