Free Classified Sites

www.BackPage.com
www.blurbpage.com
www.BuySellCommunity.com
www.chaimex.com
http://classifieds.myspace.com
www.classifieds.yahoo.com
www.frenyads.com
www.GoogleBase.com
www.Hoobly.com
www.impressivelist.com
http://www.inetgiant.com/
http://www.localknown.com/
www.Oodle.com
http://smartstash.com/index.php
www.USfreeAds.com
http://gumtree.com
http://classifieds.di-ve.com

And here are words of interest... http://wordslist.com