AltavsAltbauWhich spelling fits?

Quick tell: Alta is a name, Altbau is a noun, so they fill different roles in a sentence.

Which to use

“Alta” is a name and “Altbau” is a noun - they look or sound alike but fill different roles in a sentence.

#29,913
“Alta” frequency rank
#21,516
“Altbau” frequency rank
51429
confusion score

Side-by-Side Comparison

Feature Alta Altbau
Definition Ort am Altafjord, Finnmark, Norwegen älteres Gebäude, welches noch vor einem bestimmten Zeitpunkt — in der Regel noch vor dem Zweiten Weltkrieg — fertiggestellt worden ist

Where the eye mixes Alta and Altbau

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. Alta runs 4 letters (VCCV) against Altbau's 6 (VCCCVV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
Alta
6 ch
Altbau

Why the eye confuses Alta with Altbau

These two trip readers on the page rather than in the ear: Alta is [ˈalta] while Altbau is [ˈaltˌbaʊ̯]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 51429, derived from the frequency rank of both members and their visual similarity.

Alta is recorded at frequency rank #29,913, classified as aname, pronounced [ˈalta]. Altbau is at rank #21,516, tagged as anoun, pronounced [ˈaltˌbaʊ̯].

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 51429, this pair ranks #1,135,885 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Alta vs Altbau

Shared letters: alt. Private to "Alta": -. Private to "Altbau": bu.

"Alta" · 4 letters · shape VCCV  ·  "Altbau" · 6 letters · shape VCCCVV

Known mistypes of this pair

  • Alta ← alat · allta · altta · atla · lata
  • Altbau ← albtau · alltbau · altabu · altbbau · altbua · alttbau · atlbau · latbau

Frequently Asked Questions

Is swapping "Alta" for "Altbau" ever safe?
No - they are not even the same part of speech. "Alta" is a name and "Altbau" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Alta" vs "Altbau" - which ranks higher?
"Altbau" is the more common of the two: it sits at frequency rank #21,516 in our German list, against #29,913 for "Alta". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "Alta" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Altbau" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,135,885 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Alta" and "Altbau" also get mixed up with nearby pairs, the highest-scored neighbour is "Alta vs Altach". 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 #1,135,885 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list