AlosvsAlzaTell them apart

Which to use

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

#29,917
“Alos” frequency rank
#5,580
“Alza” frequency rank
35497
confusion score

Side-by-Side Comparison

Feature Alos Alza
Definition Apellido. Apellido.

Where the eye mixes Alos and Alza

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
Alos
4 ch
Alza

Visual trap between Alos and Alza

A purely visual mix-up. Alos ([ˈalos]) and Alza ([ˈalsa]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 35497, derived from the frequency rank of both members and their visual similarity.

Alos is recorded at frequency rank #29,917, classified as aname, pronounced [ˈalos]. Alza is at rank #5,580, tagged as aname, pronounced [ˈalsa].

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 35497, this pair ranks #185,774 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Alos vs Alza

Shared letters: al. Private to "Alos": os. Private to "Alza": z.

"Alos" · 4 letters · shape VCVC  ·  "Alza" · 4 letters · shape VCCV

Known mistypes of this pair

  • Alosallos · aloss · aols
  • Alzaalaz · allza · alzza · azla · laza

Frequently Asked Questions

Is swapping "Alos" for "Alza" ever safe?
No. They are said differently ([ˈalos] versus [ˈalsa]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "Alos" or "Alza" show up more?
"Alza" is the more common of the two: it sits at frequency rank #5,580 in our Spanish list, against #29,917 for "Alos". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "Alos" and "Alza" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Alos" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Alza" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #185,774 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Alos" and "Alza" also get mixed up with nearby pairs, the highest-scored neighbour is "Alos vs apis". 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 #185,774 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