* Identify the relationship: The words "incompetent" and "adequate" are opposites. "Incompetent" means lacking the necessary skills, while "adequate" means sufficient or good enough.
* Find the matching relationship: We need a word pair that also expresses opposites.
Here are a few possibilities:
* Unprepared - Ready: These words express the opposite states of being prepared for something.
* Unqualified - Qualified: These words refer to the lack or possession of necessary skills or credentials.
* Ineffective - Effective: These words describe the ability or inability to achieve a desired result.
So, the answer depends on the specific context of the analogy. All of the suggested pairs have a similar relationship to "incompetent - adequate."