A very popular and highly competitive keyword on Google search engine is "making money". It has 2 890 000 000 search results, meaning that millions of websites are competing for that
keyword. Keyword research starts with finding all possible word combinations that are relevant to the "making money" keyword. For example a keyword "acquiring money" has significantly less search results, only 47 900 000, but it has the
same meaning as "making money". Another way is to be more specific about a keyword by adding additional filters. Keyword "making money online from home in Canada" is less
competitive on a global scale and therefore, easier to rank for. Multiple tools are available (both free and commercial) to find keywords and analyze them.