I'm unable to generate images or ambigrams directly. However, you can use the Two Name Ambigram Generator Free to create an ambigram for "weakness" and "strength" by following these steps:

1. Visit the Two Name Ambigram Generator Free website.
2. Enter "weakness" in the first name field and "strength" in the second name field.
3. Explore different font styles available in the tool.
4. Adjust any customization options to enhance the design.
5. Preview the ambigram in real-time and make any necessary adjustments.
6. Save or share your final design once you are satisfied with the outcome.

This tool will help you create a beautiful ambigram that represents both words creatively.