How is it spelled?
PlainSpell gives the spelling, meaning and pronunciation of 80,560 English words, and measures how people get them wrong: 5,499 wrong spellings of 3,886 words, each with how often it is searched on Bing in the United States (September 2025 to August 2026).
The spellings people search for most
Each row is a wrong spelling, marked the way a proofreader marks it, with how many times a month it is searched on Bing in the United States.
All 3,886 words with a measured misspelling · What the measurements show
Source: Bing searches in the United States, the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are drawn from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured.
Word pairs people look up
Monthly Google searches in the United States for “a vs b”; Google groups close variants, so related pairs can share one figure. All word pairs.
Source: Google Ads keyword data through DataForSEO, the average month from September 2025 to August 2026.
Where to start
- English words A to Z
80,560 words with their spelling, meaning, pronunciation and forms.
- Most misspelled words
Ranked by how often the wrong spelling is searched.
- Word pairs
Affect or effect, gray or grey, every day or everyday: the pairs people search.
- American and British spelling
Color and colour, center and centre: every pair Wiktionary labels by region.
- Spanish, French, German and Portuguese words
Explained in English, with each language's own dictionary definition.
- Research
What the measurements show about spelling in English.