Premium .com · Established 1996 · The unclaimed category
Duolingo owns conversation.
Nobody owns vocabulary.

The vocabulary platform for every life stage.

Duolingo teaches you to say words.
Webtionary teaches you to own them.
Vocabulary is the single greatest predictor of lifetime earnings and career advancement. No platform serves it continuously across a human life. The .com that names it has been waiting since 1996.

Webtionary serves every life stage from age 6 to 71 — kids learning to read, students cramming for SAT, executives in the boardroom, nurses learning NCLEX, lawyers mastering contract language, immigrants studying citizenship, writers choosing better words, retirees staying sharp

Vocabulary size is the #1 predictor of lifetime earnings. And no one has built the platform for it.

A 6-year-old learning to read. A 17-year-old cramming for SAT. A nurse learning NCLEX terminology. A lawyer mastering contract language. A new immigrant studying for citizenship. A 71-year-old staying cognitively sharp. Every single one is using Google, random apps, or nothing. The platform that serves all of them continuously doesn't exist. Webtionary is the .com that names it.

The markets this platform serves
Test Prep · $12B ESL · 1.5B learners Corporate · $70B Language Learning · $115B K-12 Literacy
★ Eight personas. One platform.

Vocabulary needs are universal. The platform isn't.

Every human's relationship with words evolves across a lifetime. The platform that wins serves all of them under one umbrella. Here's who walks through the door every single day.

📚
KID · AGE 6

Learning to read

Phonics, sight words, early literacy. Gamified vocabulary aligned to school curricula.

🎓
STUDENT · AGE 17

SAT/ACT vocabulary

2,000+ high-frequency exam words. Adaptive mastery by deadline. Score impact predictions.

💼
EXEC · AGE 32

Boardroom vocabulary

Domain-specific business, finance, and strategy vocabulary. Sound credible in any room.

🩺
NURSE · AGE 28

NCLEX medical terms

5,000+ medical vocabulary terms. Pharmacology, anatomy, procedures. Career-defining exam.

⚖️
LAWYER · AGE 41

Contract vocabulary

Legal terminology by practice area. Latin maxims, evidence rules, jurisdiction-specific terms.

🌍
IMMIGRANT · AGE 35

Citizenship English

Civics, daily life, professional English. The 67M Americans who speak another language at home.

✍️
WRITER · AGE 29

Better word choice

Synonyms, register, tone. The successor to Thesaurus.com — but personalized to your voice.

🧩
RETIREE · AGE 71

Cognitive sharpness

Word puzzles, daily challenges, etymology games. Vocabulary as cognitive maintenance.

Every word. Every learner. Every life stage.

webtionary.com · est. 1996

✦ The AI moat

The AI layer Duolingo structurally cannot replicate.

Duolingo's AI teaches patterns and phrases in a new language. Webtionary's AI tracks what words you know, what you've forgotten, what you need next — across your entire vocabulary, in your language, for your specific goals. Three things a general language learning AI isn't built to be.

⏱ Adaptive Mastery AI

Knows what you know. Knows what you forgot.

Tracks your retention curve word-by-word across years. Surfaces the right vocabulary at the right interval before forgetting hits. Personalized to your mind, not a generic learner profile.

Vs. Duolingo: Teaches phrases, not deep word ownership. No retention model for vocabulary mastery.
◎ Domain-Aware AI

Picks the next 50 words for your goal, not someone else's.

Studying for NCLEX? It knows medical vocabulary by section. Bar exam? Legal terminology by jurisdiction. SAT? The 2,000 highest-frequency exam words. Goal-aware, not just question-aware.

Vs. Duolingo: Teaches general conversational language. No domain-specific vocabulary paths.
⚐ Bilingual Context AI

Explains words in your native language, with cultural context.

A new immigrant doesn't need an English definition of "democracy" — they need the concept bridged from their native language with civic context. 67M Americans speak another language at home.

Vs. Duolingo: Teaches conversational phrases. Doesn't bridge conceptual vocabulary across languages.
⌘ Lifelong Learning AI

Built for 30-day streaks and 30-year vocabularies.

Duolingo optimizes for daily engagement. Webtionary optimizes for lifetime vocabulary accumulation. The model compounds — your vocabulary intelligence grows every year, not resets every lesson.

Vs. Duolingo: Streak-based engagement model. Not built for cumulative lifelong word ownership.
The strategic gap - Duolingo has built conversational learning, Math, Music, ABC, and English Test - but vocabulary mastery across test prep, ESL, professional, and lifelong learning is the unclaimed adjacent category
Market opportunity: $115B global language learning market, 1.5B English learners, $70B corporate training, $12B test prep - all unclaimed at vocabulary depth level
✉ The Pitch

The strategic case, plainly stated.

Not a domain listing. A 30-year conviction from the person who registered this in 1996 — built into a strategic case for the company that finally has the infrastructure to do it right.

To: Luis von Ahn, Co-Founder & CEO · George Audi, VP Business Development
Re: The vocabulary category adjacent to everything Duolingo built

Duolingo owns conversation. Nobody owns vocabulary. You expanded into Math and Music to prove Duolingo can teach anything. Vocabulary depth is the category that was always adjacent to your core — and the one that no platform has claimed.

I'm not a domain seller. I registered webtionary.com in 1996 with this exact concept in mind — a platform where anyone could build the vocabulary that defines their ceiling, at every stage of their life. I never had the bandwidth to build it. Thirty years later the infrastructure to do it right finally exists, and so does the company that could actually pull it off.

Two minutes: webtionary.com

⌘ The Asset

A 30-year-old premium .com that perfectly names a category that just emerged.

Webtionary.com was registered in 1996 — when Yahoo was a directory and Amazon sold only books. Three decades of vintage. A name that fuses "web" with the "-tionary" suffix, instantly suggesting authoritative reference — like dictionary, missionary, evolutionary.

The category for a lifelong personalized vocabulary platform didn't exist in 1996. It does now. And the .com that names it is sitting here with no trademark conflicts and three decades of search-engine pedigree.

1996
Original registration year
.com
The only TLD that matters
10
Letters · clean and memorable
0
Trademark conflicts
→ Acquisition

The category is forming. The brand is available.

Serious inquiries welcome from founders building in vocabulary or language learning, strategic acquirers, and brokers. The 1996 vintage and category-perfect fit make this a rare asset.