Use Google Keyword Planner to help you find profitable keywords that are highly relevant to your business.
You can use Google Keyword Planner for free. All you need is to create a Google Ads Account. Do not worry, you do not need to spend any money in opening a Google Ads Account, our aim is to only find your profitable keyword to incorporate it into your domain name, blog topics, and create a search-engine-friendly product pages.
There are several keyword research tools for SEO that you can explore such as:
Ubersuggest of Neil Patel. This is a free tool that offers keyword suggestions, search volume, and more.
SemRush is a complete SEO tool suite that will totally help you improve your site content to increase search rankings.
Ahrefs is another all-in-one SEO toolset.