Is there a software that will find Related Words? “Real estate” should give “Mortgage”, “broker”, “agent”

jankan99: Is there a software that will find Related Words? “Real estate” should give “Mortgage”, “broker”, “agent”
Another example would be; for “intellectual property, I would like to see related words like “Copyright”, “trademark”, “patent” etc. Is there a software or a tool or a website that you can recommend?

Answers and Views:

Answer by Jimmie
this web site might help