Vocabulary Building / Word Roots

The Roots mut, form, struct, and nov

Words About Changing and Building

Part of the full libraryOpens January 2, 2027 · $97 for a year
What’s included
word rootA word part with an old meaning shared by a family of words, such as cred, believe, in credible and credence.

You’ll leave with these skills

  1. Tell what can change from what can’t
  2. Tell conforming from reforming
  3. Read novel as new, not as good

This lesson is part of the full library

202 lessons that teach every skill the SAT tests
  • 66Math
  • 40Reading
  • 24Grammar
  • 10 full-length practice tests to build test-day stamina and confidence
  • A Desmos simulator to solve math questions faster
  • A step-by-step guide to every practice test question
  • The Bluebook Simulator, so test day feels familiar
  • A drawing for every key term, so new ideas make sense at a glance

Explore the full library