Spelling Bee Hive found 1 result for efficacy. This page contains the same results as searching for that word in the app.
efficacy - noun; Level 3; origin: Latin; pronunciation: efə̇kəsē, -fēk-, -si. the power to produce an intended result.
efficacy is in Level 3, Set 12 of the Spelling Bee Hive practice sets.
Where efficacy appears: 1 competition and 2 study lists on record.
Scripps National Spelling Bee: asked 5 times in 1997, 2010–2012, 2014 - Round 2 (2010, 2012, 2014); Round 3 (1997, 2011).
Consolidated Word List: listed 1 time.
Spell It!: listed 1 time.
Spelling Bee Hive is an independent study resource. It is not affiliated with, sponsored by or endorsed by any spelling bee organiser, publisher or dictionary.