marvsmooWhich spelling fits?

Which to use

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

#674
“mar” frequency rank
#42,574
“moo” frequency rank
43248
confusion score

Side-by-Side Comparison

Feature mar moo
Definition Cuerpo de agua salada que rodea los continentes de la Tierra. Onomatopeya del mugido de un bovino; mu.

Where the eye mixes mar and moo

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

3 ch
mar
3 ch
moo

Visual trap between mar and moo

A purely visual mix-up. mar ([ˈmaɾ]) and moo ([muː]) 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 43248, derived from the frequency rank of both members and their visual similarity.

mar is recorded at frequency rank #674, classified as anoun, pronounced [ˈmaɾ]. moo is at rank #42,574, tagged as anoun, pronounced [muː].

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 43248, this pair ranks #143,714 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mar vs moo

Shared letters: m. Private to "mar": ar. Private to "moo": o.

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

Frequently Asked Questions

Do "mar" and "moo" mean the same thing in a sentence?
No. They are said differently ([ˈmaɾ] versus [muː]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "mar" or "moo" show up more?
"mar" is the more common of the two: it sits at frequency rank #674 in our Spanish list, against #42,574 for "moo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "mar" and "moo" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "mar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "moo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #143,714 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "mar" and "moo" also get mixed up with nearby pairs, the highest-scored neighbour is "moo vs mur". Nearby pair

Confusion rank #143,714 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