muvsmunTell them apart

Which to use

“mu” and “mun” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#9,685
“mu” frequency rank
#31,453
“mun” frequency rank
41138
confusion score

Side-by-Side Comparison

Feature mu mun
Definition Onomatopeya del mugido o bramido de un bovino. Boca.

Where the eye mixes mu and mun

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

2 ch
mu
3 ch
mun

Why the eye confuses mu with mun

A purely visual mix-up. mu ([ˈmu]) and mun ([ˈmɵnː]) 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 extra letter(s) - “mu” sits inside “mun”. Our composite confusion score for this pair is 41138, derived from the frequency rank of both members and their visual similarity.

mu is recorded at frequency rank #9,685, classified as anoun, pronounced [ˈmu]. mun is at rank #31,453, tagged as anoun, pronounced [ˈmɵnː].

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 41138, this pair ranks #155,326 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mu vs mun

Shared letters: mu. Private to "mu": -. Private to "mun": n.

"mu" · 2 letters · shape CV  ·  "mun" · 3 letters · shape CVC

Frequently Asked Questions

Can "mu" and "mun" be used interchangeably?
No. They are said differently ([ˈmu] versus [ˈmɵnː]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "mu" or "mun"?
"mu" is the more common of the two: it sits at frequency rank #9,685 in our Spanish list, against #31,453 for "mun". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "mu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mun" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #155,326 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "mu" and "mun" also get mixed up with nearby pairs, the highest-scored neighbour is "mun vs mur". Nearby pair

Confusion rank #155,326 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list