Rebecca’s Spelling Notebook, Condensed
Merriam Webster’s Dictionary of Prefixes, Suffixes, and Combining Forms
Words of Wisdom by Scott Remer
Words From the Champs (WFTC) by Sriram and Jairam Hathwar
How to Spell Like a Champ by Barrie Trinkle, Carolyn Andrews and Paige Kimble
SpellPundit
Resources from Hexco:
- New Nat’s Notes
- Verbomania
- Blitz