altervsaverWhich spelling fits?

Which to use

“alter” and “aver” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#26,689
“alter” frequency rank
#15,288
“aver” frequency rank
41977
confusion score

Side-by-Side Comparison

Feature alter aver
Definition Alterar. Tener.

Where the eye mixes alter and aver

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

5 ch
alter
4 ch
aver

Why the eye confuses alter with aver

A purely visual mix-up. alter (/ˈɔːltə(ɹ)/) and aver ([aˈβ̞e̞ɾ]) 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 41977, derived from the frequency rank of both members and their visual similarity.

alter is recorded at frequency rank #26,689, classified as averb, pronounced /ˈɔːltə(ɹ)/. aver is at rank #15,288, tagged as averb, pronounced [aˈβ̞e̞ɾ].

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 41977, this pair ranks #150,725 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of alter vs aver

Shared letters: aer. Private to "alter": lt. Private to "aver": v.

"alter" · 5 letters · shape VCCVC  ·  "aver" · 4 letters · shape VCVC

Known mistypes of this pair

  • alteraletr · allter · alterr · altre · altter · atler · later
  • averaevr · averr · avver · vaer

Frequently Asked Questions

Do "alter" and "aver" mean the same thing in a sentence?
No. They are said differently (/ˈɔːltə(ɹ)/ versus [aˈβ̞e̞ɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "alter" or "aver"?
"aver" is the more common of the two: it sits at frequency rank #15,288 in our Spanish list, against #26,689 for "alter". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "alter" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aver" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #150,725 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "alter" and "aver" also get mixed up with nearby pairs, the highest-scored neighbour is "Aber vs alter". 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 #150,725 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