Root Vocab

Root Vocab is a personal AI assistant for building vocabulary in 50+ languages. It combines adaptive practice, game-like exercises, and progress tracking to help you remember new words more reliably.

Personalized vocabulary practice

Root Vocab analyzes your answers and adjusts review timing to match what you’re likely to forget. This keeps sessions focused on the words that need the most reinforcement.

• Adaptive repetition intervals based on your performance
• Extra practice for difficult words and weak topics
• Supports both active and passive vocabulary growth

Games and progress tracking

Instead of memorizing word lists, you practice through interactive exercises and mini-games designed for short daily sessions.

• Mini-games and interactive drills to reduce fatigue
• Clear metrics on words learned and areas that need work
• Works alongside any course, textbook, or language app

You can start for free and choose the language you need—from English and Spanish to Japanese, Arabic, and Russian.