expertvsexternWhich spelling fits?

Which to use

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

#27,282
“expert” frequency rank
#26,863
“extern” frequency rank
54145
confusion score

Side-by-Side Comparison

Feature expert extern
Definition wie ein Fachmann, von großer Erfahrung bestimmt außerhalb eines bestimmten implizit mitdefinierten Bezugsystems

Where the eye mixes expert and extern

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
expert
6 ch
extern

Visual trap between expert and extern

A purely visual mix-up. expert ([ɛksˈpɛʁt]) and extern ([ˌɛksˈtɛʁn]) 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 54145, derived from the frequency rank of both members and their visual similarity.

expert is recorded at frequency rank #27,282, classified as anadj, pronounced [ɛksˈpɛʁt]. extern is at rank #26,863, tagged as anadj, pronounced [ˌɛksˈtɛʁn].

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 54145, this pair ranks #1,030,340 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of expert vs extern

Shared letters: ertx. Private to "expert": p. Private to "extern": n.

"expert" · 6 letters · shape VCCVCC  ·  "extern" · 6 letters · shape VCCVCC

Known mistypes of this pair

  • expertepxert · exeprt · experrt · expertt · expetr · exppert · expret · exxpert
  • externetxern · exetrn · extenr · externn · exterrn · extren · exttern · exxtern

Frequently Asked Questions

Do "expert" and "extern" mean the same thing in a sentence?
No. They are said differently ([ɛksˈpɛʁt] versus [ˌɛksˈtɛʁn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "expert" vs "extern" - which ranks higher?
"extern" is the more common of the two: it sits at frequency rank #26,863 in our German list, against #27,282 for "expert". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "expert" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "extern" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,030,340 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "expert" and "extern" also get mixed up with nearby pairs, the highest-scored neighbour is "Exoten vs extern". 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 #1,030,340 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