moovsmunWhich spelling fits?

Which to use

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

#42,574
“moo” frequency rank
#31,453
“mun” frequency rank
74027
confusion score

Side-by-Side Comparison

Feature moo mun
Definition Onomatopeya del mugido de un bovino; mu. Boca.

Where the eye mixes moo and mun

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
moo
3 ch
mun

Visual trap between moo and mun

A purely visual mix-up. moo ([muː]) 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 74027, derived from the frequency rank of both members and their visual similarity.

moo is recorded at frequency rank #42,574, classified as anoun, pronounced [muː]. 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 74027, this pair ranks #22,105 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of moo vs mun

Shared letters: m. Private to "moo": o. Private to "mun": nu.

"moo" · 3 letters · shape CVV  ·  "mun" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "moo" for "mun" ever safe?
No. They are said differently ([muː] versus [ˈmɵnː]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "moo" or "mun"?
"mun" is the more common of the two: it sits at frequency rank #31,453 in our Spanish list, against #42,574 for "moo". 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 "moo" 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 #22,105 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "moo" and "mun" also get mixed up with nearby pairs, the highest-scored neighbour is "moo vs mur". Nearby pair

Confusion rank #22,105 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