Which to use
“MERS” and “mesa” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #45,510
- “MERS” frequency rank
- #14,998
- “mesa” frequency rank
- 60508
- confusion score
Side-by-Side Comparison
| Feature | MERS | mesa |
|---|---|---|
| Definition | Acronym of Middle East respiratory syndrome. | A flat area of land or plateau higher than other land, with one or more clifflike edges. |
Where the eye mixes MERS and mesa
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses MERS with mesa
A purely visual mix-up. MERS (/mɝz/) and mesa (/ˈmeɪ.sə/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 60508, derived from the frequency rank of both members and their visual similarity.
MERS is recorded at frequency rank #45,510, classified as anoun, pronounced /mɝz/. mesa is at rank #14,998, tagged as anoun, pronounced /ˈmeɪ.sə/.
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 60508, this pair ranks #99,835 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of MERS vs mesa
Shared letters: ems. Private to "MERS": r. Private to "mesa": a.
"MERS" · 4 letters · shape CVCC · "mesa" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "MERS" for "mesa" ever safe?
In ordinary English text, does "MERS" or "mesa" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "MERS" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mesa" - compare definitions side by side with the headword page. Word entry
- This pair ranks #99,835 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "MERS" and "mesa" also get mixed up with nearby pairs, the highest-scored neighbour is "MERS vs MGS". 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 #99,835 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.