how does faith differ from religion?
http://www.merriam-webster.com/dictionary/religion
http://www.merriam-webster.com/dictionary/faith
One could needless argue this endlessly.
If you go to a Bible dictionary (based on Hebrew and Greek) you get multiple meanings and usages.
http://bibleq.com/search?q=religion&site=refbible&client=refbible&proxystylesheet=refbible&filter=0&num=100&output=xml_no_dtd&btnG=Search
http://bibleq.com/search?q=faith&btnG=Search&entqr=0&output=xml_no_dtd&sort=date%3AD%3AL%3Ad1&client=refbible&num=100&ud=1&oe=UTF-8&ie=UTF-8&proxystylesheet=refbible&site=refbible