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AI-Powered Spelling Education
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Expand Your Word Power With AI-Curated Vocabulary Learning
The Vocabulary Builder uses AI to create personalized word lists based on your reading level, learning goals, and knowledge gaps. Every word comes with contextual definitions, example sentences, synonyms, antonyms, and pronunciation — all reinforced through scientifically proven spaced repetition for lasting retention.
Free plan available — No credit card required
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Game Modes
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Game modes
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All grade levels
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Safe & private
Get started in minutes with just a few simple steps
Tell the AI your grade level, target exam (SAT, GRE, etc.), or learning goals. The AI assesses your current vocabulary through a quick adaptive quiz and builds a personalized word list.
Each word is presented with AI-generated example sentences, visual associations, etymology, and audio pronunciation. The AI explains meanings in age-appropriate language with multiple context clues.
The SM-2+ algorithm schedules review sessions at optimal intervals. Words you struggle with appear more frequently, while mastered words phase into long-term review cycles.
Built with cutting-edge AI to make spelling practice effective and engaging
The AI analyzes your level and goals to generate custom vocabulary lists. Choose from academic, literary, scientific, SAT/GRE prep, or everyday conversation categories.
Every word is taught through multiple authentic contexts — AI-generated sentences, reading passages, and real-world usage examples that make meanings stick.
Interactive visual maps connect each word to synonyms, antonyms, related terms, and word families, helping build a rich web of vocabulary knowledge.
The proven SM-2+ algorithm ensures you review words at scientifically optimal intervals, maximizing long-term retention while minimizing study time.
Track words learned, retention rates, learning velocity, and projected growth. See exactly which word categories need attention and celebrate milestones.
Test your knowledge with AI-generated quizzes that adapt in real-time — multiple choice, fill-in-the-blank, contextual usage, and synonym matching exercises.
Content automatically adapts to each student's level and ability
Students targeting SAT, GRE, ACT, or state assessments who need structured, AI-optimized vocabulary preparation with progress tracking and practice tests.
English language learners who need vocabulary instruction with clear definitions, pronunciation support, visual aids, and contextual usage examples at their level.
Educators looking to assign grade-appropriate vocabulary lists, track class-wide mastery, and generate vocabulary assessments aligned with curriculum standards.
AI personalizes word lists to your exact reading level and learning goals
Spaced repetition ensures words stay in long-term memory, not just short-term
Contextual learning with real sentences makes vocabulary feel natural
SAT, GRE, and academic word lists built from official frequency data
Visual word maps build rich connections between related vocabulary
Works on any device — practice vocabulary on desktop, tablet, or phone
Join students, parents, and teachers who use EZSpell to make spelling practice effective and genuinely fun.
Free plan available — No credit card required — Cancel anytime