RSVP-Root Specific Vocabulary Puzzles at Vocabulary University® RSVP - Root Specific Vocabulary Puzzles Scroll for most important SAT words. Our mission is to "make words come alive" in a dynamic, new approach to learning vocabulary featured here on the WWWeb. Teachers and parents have asked Vocabulary Univerity® to create something that serves as a quick "lesson plan" for teaching vocabulary. We have found a good solution with what we call "RSVP-Root Specific Vocabulary Puzzles". in Literacy > Vocabularywith gameinteractiverootrootsvocabulary