- Spellit!– This is also available in PDF form here:PDF I highly recommend for all spellers to know all of the words in Spellit.
- Merriam Webster’s Dictionary of Prefixes and Suffixes This may be a slightly daunting list of roots, prefixes, and suffixes, but it is always beneficial to know roots if you’re in a bind.
- Paideia (2004-2006)– Paideia is a very valuable resource with words sorted by topic and by ascending difficulty.
- Roots
*This is being constantly updated