The best way to research keywords is- read detail using wikipedia and using of google adwords.
Keyword research is a practice used by search engine optimization professionals to find and research actual search terms people enter into the search engines when conducting a search. The google adword is best tools you can use for research your web site with this link- https://adwords.google.com/select/KeywordToolExternal
Keyword research is a vitally important aspect of your search engine optimization campaign. If your site is targeting the wrong keywords, the search engines and your customers may never find you, resulting in lost dollars and meaningless rankings. By targeting the wrong keywords, you not only put valuable advertising a lot of money at risk, you are also throwing away all the time and energy you put into getting your site to rank for those terms to begin with. If you want to stay competitive, you can't afford to do that.
