moundvsMUDWhat's the difference?

Which to use

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

#13,021
“mound” frequency rank
#5,815
“MUD” frequency rank
18836
confusion score

Side-by-Side Comparison

Feature mound MUD
Definition An artificial hill or elevation of earth; a raised bank; an embankment thrown up for defense Acronym of multi-user dungeon, an interactive online environment in which players may jointly engage in fantasy role-playing games.

Where the eye mixes mound and MUD

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
mound
3 ch
MUD

Why the eye confuses mound with MUD

A purely visual mix-up. mound (/maʊnd/) and MUD (/mʌd/) 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 2 letter(s) in length. Our composite confusion score for this pair is 18836, derived from the frequency rank of both members and their visual similarity.

mound is recorded at frequency rank #13,021, classified as anoun, pronounced /maʊnd/. MUD is at rank #5,815, tagged as anoun, pronounced /mʌd/.

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 18836, this pair ranks #442,253 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of mound vs MUD

Shared letters: dmu. Private to "mound": no. Private to "MUD": -.

"mound" · 5 letters · shape CVVCC  ·  "MUD" · 3 letters · shape CVC

Known mistypes of this pair

  • moundmmound · monud · moudn · moundd · mounnd · muond · omund

Frequently Asked Questions

Can "mound" and "MUD" be used interchangeably?
No. They are said differently (/maʊnd/ versus /mʌd/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "mound" or "MUD"?
"MUD" is the more common of the two: it sits at frequency rank #5,815 in our English list, against #13,021 for "mound". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "mound" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "MUD" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #442,253 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "mound" and "MUD" also get mixed up with nearby pairs, the highest-scored neighbour is "mound vs mudd". 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 #442,253 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