Which to use
“mains” is a noun and “mair” is an adjective - they look or sound alike but fill different roles in a sentence.
- #16,070
- “mains” frequency rank
- #43,249
- “mair” frequency rank
- 59319
- confusion score
Side-by-Side Comparison
| Feature | mains | mair |
|---|---|---|
| Definition | plural of main | more |
Where the eye mixes mains and mair
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. mains runs 5 letters (CVVCC) against mair's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: mains vs mair
These two trip readers on the page rather than in the ear: mains is /meɪnz/ while mair is /mɛə/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 59319, derived from the frequency rank of both members and their visual similarity.
mains is recorded at frequency rank #16,070, classified as anoun, pronounced /meɪnz/. mair is at rank #43,249, tagged as anadj, pronounced /mɛə/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 59319, this pair ranks #106,970 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of mains vs mair
Shared letters: aim. Private to "mains": ns. Private to "mair": r.
"mains" · 5 letters · shape CVVCC · "mair" · 4 letters · shape CVVC
Known mistypes of this pair
Frequently Asked Questions
Can "mains" and "mair" be used interchangeably?
Which is more common, "mains" or "mair"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "mains" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mair" - compare definitions side by side with the headword page. Word entry
- This pair ranks #106,970 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "mains" and "mair" also get mixed up with nearby pairs, the highest-scored neighbour is "mair vs marl". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #106,970 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.