MPSvsmumpsWhich spelling fits?

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

Which to use

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

#5,524
“MPS” frequency rank
#36,683
“mumps” frequency rank
42207
confusion score

Side-by-Side Comparison

Feature MPS mumps
Definition Initialism of Metropolitan Police Service. A contagious disease caused by the Mumps virus of the genus Rubulavirus, mostly occurring in childhood, which causes swelling of glands in the face and neck.

Letter map: MPS vs mumps

Shared letters muted; letters that set MPS and mumps apart highlighted. Shared run: 3.

3 ch
MPS
5 ch
mumps

Part-of-speech tell for MPS / mumps

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: MPS is aname and mumpsanoun. On the page they differ by 2 extra letter(s) - “MPS” sits inside “mumps”. Our composite confusion score for this pair is 42207, derived from the frequency rank of both members and their visual similarity.

MPS is recorded at frequency rank #5,524, classified as aname. mumps is at rank #36,683, tagged as anoun, pronounced /mʌmps/.

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 42207, this pair ranks #251,356 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of MPS vs mumps

Shared letters: mps. Private to "MPS": -. Private to "mumps": u.

"MPS" · 3 letters · shape CCC  ·  "mumps" · 5 letters · shape CVCCC

Known mistypes of this pair

  • mumpsmmumps · mmups · mummps · mumpps · mumpss · mumsp · mupms · ummps

Frequently Asked Questions

Do "MPS" and "mumps" mean the same thing in a sentence?
No - they are not even the same part of speech. "MPS" is a name and "mumps" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "MPS" or "mumps" show up more?
"MPS" is the more common of the two: it sits at frequency rank #5,524 in our English list, against #36,683 for "mumps". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "MPS" and "mumps".

  • Full dictionary entry for "MPS" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mumps" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #251,356 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "MPS" and "mumps" also get mixed up with nearby pairs, the highest-scored neighbour is "MMP vs mumps". 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 #251,356 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