mivsmurWhich spelling fits?

Quick tell: mi is a adjective, mur is a noun, so they fill different roles in a sentence.

Which to use

“mi” is an adjective and “mur” is a noun - they look or sound alike but fill different roles in a sentence.

#29
“mi” frequency rank
#49,813
“mur” frequency rank
49842
confusion score

Side-by-Side Comparison

Feature mi mur
Definition Adjetivo posesivo de la primera persona singular; de mí. Ratón (roedor).

Where the eye mixes mi and mur

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

2 ch
mi
3 ch
mur

Visual trap between mi and mur

These two trip readers on the page rather than in the ear: mi is [mi] while mur is [ˈmuɾ]. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 49842, derived from the frequency rank of both members and their visual similarity.

mi is recorded at frequency rank #29, classified as anadj, pronounced [mi]. mur is at rank #49,813, tagged as anoun, pronounced [ˈmuɾ].

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 49842, this pair ranks #106,548 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mi vs mur

Shared letters: m. Private to "mi": i. Private to "mur": ru.

"mi" · 2 letters · shape CV  ·  "mur" · 3 letters · shape CVC

Frequently Asked Questions

Can "mi" and "mur" be used interchangeably?
No - they are not even the same part of speech. "mi" is an adjective and "mur" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "mi" or "mur"?
"mi" is the more common of the two: it sits at frequency rank #29 in our Spanish list, against #49,813 for "mur". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "mi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mur" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #106,548 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "mi" and "mur" also get mixed up with nearby pairs, the highest-scored neighbour is "mop vs mur". Nearby pair

Confusion rank #106,548 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