All You Need to win Scripps Regional Spelling Bees and National Spelling Bee is SpellPundit (https://www.spellpundit.com).

In last several years, 99.9% of words asked in Scripps Regional and National Spelling Bees are in SpellPundit.

Not convinced? Read what CNBC and New York Times say about SpellPundit:

https://www.cnbctv18.com/buzz/meet-spellpundit-guru-to-six-of-the-eight-national-spelling-bee-co-champions-3613511.htm

https://www.nytimes.com/2019/05/31/us/spellpundit-scripps-spelling-bee.html