optimalvsoptimalenWhich spelling fits?

Which to use

“optimal” and “optimalen” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#7,372
“optimal” frequency rank
#15,962
“optimalen” frequency rank
23334
confusion score

Side-by-Side Comparison

Feature optimal optimalen
Definition das Bestmögliche unter den gegebenen Voraussetzungen Genitiv Singular Maskulinum der starken Deklination des Positivs des Adjektivs optimal

Where the eye mixes optimal and optimalen

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

7 ch
optimal
9 ch
optimalen

Why the eye confuses optimal with optimalen

A purely visual mix-up. optimal ([ɔptiˈmaːl]) and optimalen ([ɔptiˈmaːlən]) 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 2 extra letter(s) - “optimal” sits inside “optimalen”. Our composite confusion score for this pair is 23334, derived from the frequency rank of both members and their visual similarity.

optimal is recorded at frequency rank #7,372, classified as anadj, pronounced [ɔptiˈmaːl]. optimalen is at rank #15,962, tagged as anadj, pronounced [ɔptiˈmaːlən].

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 23334, this pair ranks #1,862,621 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of optimal vs optimalen

Shared letters: ailmopt. Private to "optimal": -. Private to "optimalen": en.

"optimal" · 7 letters · shape VCCVCVC  ·  "optimalen" · 9 letters · shape VCCVCVCVC

Known mistypes of this pair

  • optimalopitmal · opptimal · optiaml · optimall · optimla · optimmal · optmial · opttimal
  • optimalenopitmalen · opptimalen · optiamlen · optimaeln · optimalenn · optimallen · optimalne · optimlaen

Frequently Asked Questions

Can "optimal" and "optimalen" be used interchangeably?
No. They are said differently ([ɔptiˈmaːl] versus [ɔptiˈmaːlən]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "optimal" or "optimalen"?
"optimal" is the more common of the two: it sits at frequency rank #7,372 in our German list, against #15,962 for "optimalen". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "optimal" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "optimalen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,862,621 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "optimal" and "optimalen" also get mixed up with nearby pairs, the highest-scored neighbour is "optimalen vs optimaler". 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 #1,862,621 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