Which to use
“MUD” and “mum” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #5,815
- “MUD” frequency rank
- #3,573
- “mum” frequency rank
- 9388
- confusion score
Side-by-Side Comparison
| Feature | MUD | mum |
|---|---|---|
| Definition | Acronym of multi-user dungeon, an interactive online environment in which players may jointly engage in fantasy role-playing games. | Mother. |
Where the eye mixes MUD and mum
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses MUD with mum
A purely visual mix-up. MUD (/mʌd/) and mum (/mʌm/) 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 a single letter - d in “MUD” becomes m in “mum”. Our composite confusion score for this pair is 9388, derived from the frequency rank of both members and their visual similarity.
MUD is recorded at frequency rank #5,815, classified as anoun, pronounced /mʌd/. mum is at rank #3,573, tagged as anoun, pronounced /mʌm/.
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 9388, this pair ranks #497,647 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of MUD vs mum
Shared letters: mu. Private to "MUD": d. Private to "mum": -.
"MUD" · 3 letters · shape CVC · "mum" · 3 letters · shape CVC
Frequently Asked Questions
Do "MUD" and "mum" mean the same thing in a sentence?
Frequency check: "MUD" vs "mum" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "MUD" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mum" - compare definitions side by side with the headword page. Word entry
- This pair ranks #497,647 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "MUD" and "mum" also get mixed up with nearby pairs, the highest-scored neighbour is "MMP vs MUD". Nearby pair
Confusion rank #497,647 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.