"What good" is typically used in the following ways:
1. To ask about the value or usefulness of something:
* "What good is a car if you can't drive it?" (meaning: what is the point of having a car if you can't drive it?)
* "What good is a plan if you don't execute it?" (meaning: what is the value of a plan if you don't put it into action?)
2. To express a lack of benefit or value:
* "What good is it to complain if you're not going to do anything about it?" (meaning: complaining doesn't solve the problem)
* "What good is a fancy degree if you can't find a job?" (meaning: a degree doesn't automatically guarantee success)
Here are some synonyms for "good" in these contexts:
For expressing value or usefulness:
* Benefit: "What benefit is there to arguing?"
* Use: "What use is a broken phone?"
* Purpose: "What purpose does this serve?"
* Point: "What's the point of all this work?"
* Advantage: "What advantage is there to moving?"
* Value: "What value does this project bring?"
For expressing a lack of benefit or value:
* Use: "It's of no use to me."
* Point: "There's no point in arguing."
* Worth: "It's not worth the effort."
* Benefit: "It's of no benefit to anyone."
* Value: "It has no value to me."
Example:
* Original: "What good is a car if you can't drive it?"
* Synonym: "What use is a car if you can't drive it?"
Note: The best synonym to use will depend on the specific context and the tone you want to convey.