MERSvsMonsWhich spelling fits?

Quick tell: MERS is a noun, Mons is a name, so they fill different roles in a sentence.

Which to use

“MERS” is a noun and “Mons” is a name - they look or sound alike but fill different roles in a sentence.

#45,510
“MERS” frequency rank
#27,221
“Mons” frequency rank
72731
confusion score

Side-by-Side Comparison

Feature MERS Mons
Definition Acronym of Middle East respiratory syndrome. A diminutive of the female given name Monica.

Letter map: MERS vs Mons

Shared letters muted; letters that set MERS and Mons apart highlighted. Shared run: 2. MERS and Mons follow the identical consonant-vowel pattern (CVCC). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
MERS
4 ch
Mons

Part-of-speech tell for MERS / Mons

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: MERS is anoun and Monsaname. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 72731, 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/. Mons is at rank #27,221, tagged as aname.

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 72731, this pair ranks #42,059 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of MERS vs Mons

Shared letters: ms. Private to "MERS": er. Private to "Mons": no.

"MERS" · 4 letters · shape CVCC  ·  "Mons" · 4 letters · shape CVCC

Known mistypes of this pair

  • MERS ← emrs · merrs · merss · mesr · mmers · mres
  • Mons ← mmons · mnos · monns · monss · mosn · omns

Frequently Asked Questions

Is swapping "MERS" for "Mons" ever safe?
No - they are not even the same part of speech. "MERS" is a noun and "Mons" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "MERS" vs "Mons" - which ranks higher?
"Mons" is the more common of the two: it sits at frequency rank #27,221 in our English list, against #45,510 for "MERS". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "MERS" and "Mons". Here's where to go from here.

  • Full dictionary entry for "MERS" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Mons" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #42,059 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "MERS" and "Mons" 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 #42,059 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list