Looking at the morphology — or the make-up — of words is a well established vocabulary-learning strategy, and one component of the new Common Core standards for English Language Arts. The idea is that if you break down a word like indecision into its parts: its prefix  in- (meaning "not"), its root decide (meaning "to chose"), and its suffix -sion (which indicates that this word is a noun), you'll be able to infer that indecision means "not deciding."

Enter Power Prefix Vocabulary Lists, ten new Lists that teach some basic building blocks of word morphology. The lists are short, sweet, and easy to learn playing our Challenge game. And aside from enrolling in Latin and Greek classes, using these lists is the most efficient way to power up your prefix muscles, address a Common Core standard, and begin to decode words with ease. 

These lists go hand-in-hand with our recent Wordshop post on the Vocabulary.com Blog "Prefixes: Windows into Unfamiliar Words." Be sure to check that out too.