mgvsmouWhat's the difference?

Quick tell: mg is a abbrev, mou is an adjective, so they fill different roles in a sentence.

Which to use

“mg” is an abbrev and “mou” is an adjective - they look or sound alike but fill different roles in a sentence.

#5,858
“mg” frequency rank
#46,072
“mou” frequency rank
51930
confusion score

Side-by-Side Comparison

Feature mg mou
Definition Abreviatura y símbolo de la unidad miligramo. Blando.

Where the eye mixes mg and mou

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

2 ch
mg
3 ch
mou

Why the eye confuses mg with mou

These two trip readers on the page rather than in the ear: mg is [ˈg] while mou is [mu]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (abbrev vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 51930, derived from the frequency rank of both members and their visual similarity.

mg is recorded at frequency rank #5,858, classified as anabbrev, pronounced [ˈg]. mou is at rank #46,072, tagged as anadj, pronounced [mu].

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 51930, this pair ranks #95,301 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mg vs mou

Shared letters: m. Private to "mg": g. Private to "mou": ou.

"mg" · 2 letters · shape CC  ·  "mou" · 3 letters · shape CVV

Frequently Asked Questions

Is swapping "mg" for "mou" ever safe?
No - they are not even the same part of speech. "mg" is an abbrev and "mou" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "mg" or "mou"?
"mg" is the more common of the two: it sits at frequency rank #5,858 in our Spanish list, against #46,072 for "mou". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "mg" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mou" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #95,301 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "mg" and "mou" also get mixed up with nearby pairs, the highest-scored neighbour is "mou vs mur". Nearby pair

Confusion rank #95,301 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