mumpsvsmumsWhat's the difference?

Which to use

“mumps” and “mums” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#36,683
“mumps” frequency rank
#18,138
“mums” frequency rank
54821
confusion score

Side-by-Side Comparison

Feature mumps mums
Definition 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. plural of mum

Where the eye mixes mumps and mums

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
mumps
4 ch
mums

Why the eye confuses mumps with mums

A purely visual mix-up. mumps (/mʌmps/) and mums (/mʌmz/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 54821, derived from the frequency rank of both members and their visual similarity.

mumps is recorded at frequency rank #36,683, classified as anoun, pronounced /mʌmps/. mums is at rank #18,138, tagged as anoun, pronounced /mʌmz/.

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 54821, this pair ranks #138,220 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mumps vs mums

Shared letters: msu. Private to "mumps": p. Private to "mums": -.

"mumps" · 5 letters · shape CVCCC  ·  "mums" · 4 letters · shape CVCC

Known mistypes of this pair

  • mumpsmmumps · mmups · mummps · mumpps · mumpss · mumsp · mupms · ummps
  • mumsmmums · mmus · mumms · mumss · musm · umms

Frequently Asked Questions

Can "mumps" and "mums" be used interchangeably?
No. They are said differently (/mʌmps/ versus /mʌmz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "mumps" or "mums"?
"mums" is the more common of the two: it sits at frequency rank #18,138 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.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "mumps" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mums" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #138,220 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "mumps" and "mums" 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 #138,220 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