I have suspected this for a long time and now it is confirmed by Matt Cutts at Google. Google does not use keywords in search engine ranking. Check out this video to explain it a bit more:
Google Not Using Keywords In Website Ranking
– 10/22/2009Posted in: web design
About the Author
Steve is a husband, dad, worship leader and web designer. He is also founder of Worship On The Outside that is committed to taking the worship of God beyond the walls of the church. 
Google Not Using Keywords In Website Ranking | Steve Eller was a great read. Hi, I applaud your blog for informing people, very interesting article, keep up it coming