When the domain name you want to buy is already taken, you can offer the best solution, which consists in looking for other options. You can add another word to the desired name or make a substitution of words. It is worth trying to find the desired name with other extensions, using ccTLD instead of .com.
There is also such an option as using a hyphen, for example, split mysite.com into my-site.com. Care and caution is important to avoid confusion over a name that bears a resemblance to someone else.
Finding the best domain name requires creativity and at least a little skill. It often takes patience and a few tries. This procedure is normal. by the process. Important to remember: the correct and optimal domain name is always there, being nearby somewhere. You just need to look for and believe that the result will be achieved.