eisernervsexternerConfusable pair

Which to use

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

#43,133
“eiserner” frequency rank
#23,926
“externer” frequency rank
67059
confusion score

Side-by-Side Comparison

Feature eiserner externer
Definition Nominativ Singular Maskulinum der starken Flexion des Adjektivs eisern Nominativ Singular Maskulinum der starken Flexion des Positivs des Adjektivs extern

Where the eye mixes eiserner and externer

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

8 ch
eiserner
8 ch
externer

Why the eye confuses eiserner with externer

A purely visual mix-up. eiserner ([ˈaɪ̯zɐnɐ]) and externer ([ˌɛksˈtɛʁnɐ]) 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 67059, derived from the frequency rank of both members and their visual similarity.

eiserner is recorded at frequency rank #43,133, classified as anadj, pronounced [ˈaɪ̯zɐnɐ]. externer is at rank #23,926, tagged as anadj, pronounced [ˌɛksˈtɛʁnɐ].

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 67059, this pair ranks #552,594 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of eiserner vs externer

Shared letters: enr. Private to "eiserner": is. Private to "externer": tx.

"eiserner" · 8 letters · shape VVCVCCVC  ·  "externer" · 8 letters · shape VCCVCCVC

Known mistypes of this pair

  • eisernereiesrner · eisenrer · eiserenr · eisernerr · eisernner · eisernre · eiserrner · eisrener
  • externeretxerner · exetrner · extenrer · exterenr · externerr · externner · externre · exterrner

Frequently Asked Questions

Can "eiserner" and "externer" be used interchangeably?
No. They are said differently ([ˈaɪ̯zɐnɐ] versus [ˌɛksˈtɛʁnɐ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "eiserner" or "externer"?
"externer" is the more common of the two: it sits at frequency rank #23,926 in our German list, against #43,133 for "eiserner". 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 "eiserner" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "externer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #552,594 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "eiserner" and "externer" also get mixed up with nearby pairs, the highest-scored neighbour is "Eisenerz vs eiserner". 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 #552,594 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