* Stong: This misspelling is often used, sounding very similar to "strong."
* Strawn: This word is not as common, but it exists and has a different meaning (related to straw).
If you're looking for a word with a similar meaning but a different sound, you could consider words like:
* Powerful
* Mighty
* Robust
* Forceful
* Vigorous
The best choice will depend on the specific context you're using the word in.