AitorvsalterWhich spelling fits?

Quick tell: Aitor is a name, alter is a verb, so they fill different roles in a sentence.

Which to use

“Aitor” is a name and “alter” is a verb - they look or sound alike but fill different roles in a sentence.

#39,036
“Aitor” frequency rank
#26,689
“alter” frequency rank
65725
confusion score

Side-by-Side Comparison

Feature Aitor alter
Definition Nombre de pila de varón. Alterar.

Where the eye mixes Aitor and alter

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
Aitor
5 ch
alter

Why the eye confuses Aitor with alter

These two trip readers on the page rather than in the ear: Aitor is [ajˈt̪oɾ] while alter is /ˈɔːltə(ɹ)/. 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 (name vs verb), which is usually the fastest check. Our composite confusion score for this pair is 65725, derived from the frequency rank of both members and their visual similarity.

Aitor is recorded at frequency rank #39,036, classified as aname, pronounced [ajˈt̪oɾ]. alter is at rank #26,689, tagged as averb, pronounced /ˈɔːltə(ɹ)/.

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 65725, this pair ranks #41,787 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of Aitor vs alter

Shared letters: art. Private to "Aitor": io. Private to "alter": el.

"Aitor" · 5 letters · shape VVCVC  ·  "alter" · 5 letters · shape VCCVC

Known mistypes of this pair

  • Aitoraiotr · aitorr · aitro · aittor · atior · iator
  • alteraletr · allter · alterr · altre · altter · atler · later

Frequently Asked Questions

Can "Aitor" and "alter" be used interchangeably?
No - they are not even the same part of speech. "Aitor" is a name and "alter" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Aitor" or "alter"?
"alter" is the more common of the two: it sits at frequency rank #26,689 in our Spanish list, against #39,036 for "Aitor". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "Aitor" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "alter" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #41,787 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Aitor" and "alter" also get mixed up with nearby pairs, the highest-scored neighbour is "Aitor vs atom". 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 #41,787 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