Which to use
“ajustar” and “ajustarse” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #10,257
- “ajustar” frequency rank
- #20,879
- “ajustarse” frequency rank
- 31136
- confusion score
Side-by-Side Comparison
| Feature | ajustar | ajustarse |
|---|---|---|
| Definition | Modificar hasta llevar a la forma o tamaño justo o adecuado, en particular para permitir que case o que no discrepe con otra cosa, o que sus partes se acoplen bien. | Tomar la forma o tamaño justo o adecuado, en particular para casar o concordar con otra cosa, o hasta que sus partes se acoplen bien. |
Where the eye mixes ajustar and ajustarse
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. ajustar runs 7 letters (VCVCCVC) against ajustarse's 9 (VCVCCVCCV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses ajustar with ajustarse
A purely visual mix-up. ajustar ([axusˈt̪aɾ]) and ajustarse ([axusˈt̪aɾse]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “ajustar” sits inside “ajustarse”. Our composite confusion score for this pair is 31136, derived from the frequency rank of both members and their visual similarity.
ajustar is recorded at frequency rank #10,257, classified as averb, pronounced [axusˈt̪aɾ]. ajustarse is at rank #20,879, tagged as averb, pronounced [axusˈt̪aɾse].
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 31136, this pair ranks #208,597 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ajustar vs ajustarse
Shared letters: ajrstu. Private to "ajustar": -. Private to "ajustarse": e.
"ajustar" · 7 letters · shape VCVCCVC · "ajustarse" · 9 letters · shape VCVCCVCCV
Known mistypes of this pair
Frequently Asked Questions
Can "ajustar" and "ajustarse" be used interchangeably?
Which is more common, "ajustar" or "ajustarse"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "ajustar" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ajustarse" - compare definitions side by side with the headword page. Word entry
- This pair ranks #208,597 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "ajustar" and "ajustarse" also get mixed up with nearby pairs, the highest-scored neighbour is "ajustarse vs alistarse". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #208,597 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.