About WordScrambleLab

Who makes this

WordScrambleLab is made and maintained by Venerable Sonti Santamano, a Theravada Buddhist monk and visiting lecturer in English Language Teaching at Buddhachinaraja Buddhist College, Mahachulalongkornrajavidyalaya University, Thailand. I teach on the BA in English programme and am currently a doctoral student in Linguistics.

That background shapes everything on this site. I am not a search marketer who picked word games as a niche. I am a teacher who needed level-appropriate vocabulary worksheets every week, could not find any worth using, and built the tool I wanted.

Why this site exists

Search for a word unscrambler and you will find a dozen well-built sites, all of them designed for the same person: someone who wants to win a game they are already playing. They return a list of valid letter strings, sorted by length, and stop there. For that purpose they work perfectly well.

Most of them are optimized for word games rather than language learning, which is a legitimate purpose — but it leaves a classroom short. A list of words with no meanings, no levels, and no indication of which items a beginner could reasonably know does not help a teacher decide anything. And the framing is often wrong for school: a tool that sells itself on cheating is not something most teachers want to put in front of students.

So this site attaches to every word the things a teacher would want on the board — a meaning in plain language, the part of speech, the syllable break, the word family, and the CEFR band the word usually sits in. And the scramble maker works in the other direction, producing printable worksheets from a level, a topic, or your own coursebook list.

I should be straightforward about one thing: a scramble maker is not unique. At least one established competitor offers a worksheet generator too. The difference here is not that the tool exists but that it was built by someone who has to teach with it — which is why every worksheet page carries a classroom procedure rather than just a download button.

How words are chosen and levelled

This is the part most sites in this category never explain, so it now has a page of its own: methodology & sources, with every count, licence and correction. The short version:

Which words appear

Most word tools face a choice between coverage and usefulness. A full competition dictionary contains many thousands of words that are technically valid and pedagogically worthless — obscure variants, archaic forms, technical terms no learner will ever meet. Include them and every result list becomes noise. Exclude them and the tool looks broken.

This site does not choose. Results arrive in three layers, in this order:

• Words with learner data — full cards with meaning, part of speech, syllable break, word family and CEFR level. This is the hand-built list, and it is small.
• Other common words — valid and genuinely useful, but no teaching data written for them yet. Shown plainly, and labelled as such.
• Rare and technical words — collapsed by default. Recognized for completeness; unlikely to help in a classroom.

That ordering is the whole design. A teacher sees the pedagogically useful results first and can ignore the rest; a player who wants completeness can open the last section. Nothing is hidden and nothing is padded.

The recognition layers come from a versioned, openly documented wordlist — including its known gaps, which are recorded rather than hidden — and the learner layer’s 5,028 entries are written by hand. Exact counts, provenance and licences are on the methodology page and in the machine-generated /words/manifest.json?v=6ce1dece.

The honest gap is the first layer. It covers a fraction of the words the tool recognizes, and expanding it is slow work — every entry means writing a definition a learner can actually read. That is the main development effort ahead, and priority goes to words that appear in the worksheets and words people actually search for.

How levels are assigned

CEFR bands describe what a learner can do at a given stage, from A1 for beginners through to C2 for near-native users. Applying them to individual words is a judgement, not a measurement — published wordlists disagree with each other at the margins, and a word can behave differently depending on which sense is meant.

The intended method is to check each label against a published reference: the CEFR-J Wordlist (a Japanese adaptation of the CEFR built for English teaching) and the Oxford level bands for levels, the Octanove profile for C1–C2, a learner dictionary for definitions and syllable breaks, and Etymonline where a word's history is relevant.

Since 24 August 2026, every label carries one of five evidence states — ✓✓ corroborated, ✓ referenced, ≠ disputed, ✓* reviewed, ⚠ draft — graded against the CEFR-J Wordlist v1.5 (© Tono Laboratory, TUFS), the Oxford 3000/5000 level bands and, for C1–C2, the Octanove Vocabulary Profile. Disagreement dominates agreement: one matching list is no longer treated as settled fact, and agreement and disagreement are both shown. The full rules, the per-band distribution and the change log are on the methodology page.

The bands as they currently stand are published in full as word lists, one page per level, at vocabulary by level. Reading a whole band at once is the quickest way to spot a label that is wrong, and corrections are welcome.

What the evidence marks mean

The mix is published, not summarised away — the full distribution, regenerated at every build, is on the methodology page — and the same marks appear beside every word in the word lists and on every result card in the unscrambler. A teacher who trusts an A2 label and hands a C1 word to beginners has been actively misled, and an unmarked wrong label would do more damage than a marked uncertain one.

What this site will not do

• Present unverified information as settled. Where a claim has not been checked, it says so.
• Use the cheat framing. Not because there is anything wrong with word games, but because material written that way is not usable in a classroom.
• Pad pages to rank. Every page here should be worth the time it takes to read.
• Put slurs on a classroom screen. The coverage list is a general English dictionary, so it is screened: ethnic and disability slurs are removed outright, and crude sexual and drug slang is kept out of the results shown by default. Ordinary vocabulary that happens to be grim — kill, gun, murder — stays, because it appears in news, literature and exam texts, and removing it would make the tool quietly wrong.
• Claim affiliation it does not have. Game names mentioned anywhere on this site belong to their owners; this site is connected to none of them.

Corrections

If you find a wrong level, a bad definition, a scramble with two valid answers, or a worksheet procedure that does not survive contact with a real class, please tell me. Corrections from working teachers are more valuable to this project than any amount of additional content.

Email: wordscramblelab@gmail.com

I would particularly like to hear from teachers who have actually used one of the printable worksheets with a class. Not whether it looks useful — whether it worked, and what you changed.

Sources

Each kind of data has its own source and its own check — recognition, frequency, definitions, levels, pronunciation, Pali terms, etymology. The full source-by-function table, with licences, versions and the pronunciation notes, is on the methodology & sources page.

Definitions on this site are written in plain language rather than copied from any single dictionary. Where a source is used for a specific claim, the page carrying that claim names it.

Two pages carry work that comes directly from where I teach: Buddhist Studies English, on the doctrinal register monastic students read in, and the Thai curriculum mapping, which places these sheets against the Ministry framework Thai schools are measured on.

More about the site: the word unscrambler, the scramble maker, and the teaching resources.