Which to use
“alegar” and “alterar” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #19,612
- “alegar” frequency rank
- #10,258
- “alterar” frequency rank
- 29870
- confusion score
Side-by-Side Comparison
| Feature | alegar | alterar |
|---|---|---|
| Definition | Expresar o citar argumentos a favor o en contra de algo o alguien. | Cambiar la forma, esencia, estructura o composición de algo. |
Where the eye mixes alegar and alterar
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. alegar runs 6 letters (VCVCVC) against alterar's 7 (VCCVCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: alegar vs alterar
A purely visual mix-up. alegar ([aleˈɣ̞aɾ]) and alterar ([al̪t̪eˈɾaɾ]) 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 1 letter(s) in length. Our composite confusion score for this pair is 29870, derived from the frequency rank of both members and their visual similarity.
alegar is recorded at frequency rank #19,612, classified as averb, pronounced [aleˈɣ̞aɾ]. alterar is at rank #10,258, tagged as averb, pronounced [al̪t̪eˈɾaɾ].
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 29870, this pair ranks #214,859 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of alegar vs alterar
Shared letters: aelr. Private to "alegar": g. Private to "alterar": t.
"alegar" · 6 letters · shape VCVCVC · "alterar" · 7 letters · shape VCCVCVC
Known mistypes of this pair
Frequently Asked Questions
Can "alegar" and "alterar" be used interchangeably?
Which is more common, "alegar" or "alterar"?
After this comparison
Eye-level mix-up between "alegar" and "alterar" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "alegar" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "alterar" - compare definitions side by side with the headword page. Word entry
- This pair ranks #214,859 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "alegar" and "alterar" also get mixed up with nearby pairs, the highest-scored neighbour is "alegaba vs alegar". 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 #214,859 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.