PlainSpell tools
Spelling tools & quizzes
According to the PlainSpell database, this corpus holds 6,918,744 words across 5 languages, with definitions, confusable pairs, and homophones compiled from Wiktionary (CC BY-SA, May 2026) — see the methodology and editorial policy for sources, limits, and corrections. These free, no-sign-up tools draw on that same citation-backed data; nothing to install, and your progress stays on your device.
- 6,918,744
- words
- 5
- languages
- 3,375,992
- confusable pairs
- 2,182
- EN homophone groups
Interactive tools
More quizzes and checkers are in development. Every tool draws on the same citation-backed corpus.
The data behind the tools
Corpus coverage by language
Headwords indexed per language — the dictionary the quizzes and lookups draw from
- Fre
French
4,485,239 words
- Ger 1,077,739
German
1,077,739 words
- Spa 770,428
Spanish
770,428 words
- Eng 545,755
English
545,755 words
- Por 39,583
Portuguese
39,583 words
What this shows PlainSpell indexes 6,918,744 headwords across 5 languages, sourced from Wiktionary (CC BY-SA). Every interactive tool reads from this same live corpus.