Have you heard of Spelling City? Do you use it? We've been using Spelling City for a few years now. It's totally free and a great way for the kids to practice their spelling words. They can play all sorts of fun spelling and vocabulary words, then take a test. When my kids were in public school I just entered the lists that they brought home. Now I use the lists from our current curriculums. When they can pass all the words on Spelling City, then they can go take their curriculum test. My kids LOVE it!
You can use other people's lists as well. So if you use Switched-On Schoolhouse Language Arts 300 or 400, I have most of lists that we've already accomplished. If you use Heart of Dakota's Bigger Hearts for His Glory, I have Units 1-7. If you want to use my lists, just search under "parent" for Jenny Beasley.
Please note that not all words and phrases are currently recognized by Spelling City. This hasn't been much of a problem for us though. Go check it out! If this has been useful to you, stop back by and let me know! :)