Should I incorporate synonyms for important terms into my site?

If two terms are used essentially interchangeably, does Google realize that the terms are interchangeable? Should you be trying to use both terms, or just focus on one term to get the best search engine traffic? An example is EMR and EHR techguy, Las Vegas Have a question? Ask it in our Webmaster Help Forum: groups.google.com Want your question to be answered on a video like this? Follow us on Twitter and look for an announcement when we take new questions: twitter.com More videos: www.youtube.com Webmaster Central Blog: googlewebmastercentral.blogspot.com Webmaster Central: www.google.com