Which to use
“mer” is a noun and “mío” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #21,067
- “mer” frequency rank
- #1,684
- “mío” frequency rank
- 22751
- confusion score
Side-by-Side Comparison
| Feature | mer | mío |
|---|---|---|
| Definition | Mar. | Pronombre posesivo de la primera persona (yo). Se refiere a lo que es propio o pertenece a mí. |
Where the eye mixes mer and mío
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between mer and mío
These two trip readers on the page rather than in the ear: mer is [mɛʁ] while mío is [ˈmio]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 22751, derived from the frequency rank of both members and their visual similarity.
mer is recorded at frequency rank #21,067, classified as anoun, pronounced [mɛʁ]. mío is at rank #1,684, tagged as apron, pronounced [ˈmio].
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 22751, this pair ranks #248,888 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of mer vs mío
Shared letters: m. Private to "mer": er. Private to "mío": oí.
"mer" · 3 letters · shape CVC · "mío" · 3 letters · shape CVV
Frequently Asked Questions
Can "mer" and "mío" be used interchangeably?
In ordinary Spanish text, does "mer" or "mío" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "mer" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mío" - compare definitions side by side with the headword page. Word entry
- This pair ranks #248,888 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "mer" and "mío" also get mixed up with nearby pairs, the highest-scored neighbour is "mer vs mur". Nearby pair
Confusion rank #248,888 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.