I needed some resource help for my new class, ESL and Special Ed. One evening I Googled words and phrases that had to do with Language arts and I got many hits that involved this topic. I saved many links in order to review them when I had time. This is one of the links that I saved. This site is a vocabulary and spelling builder.
http://www.spellingcity.com/
http://www.spellingcity.com/