erforschenvserlöschenTell them apart

Which to use

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

#11,859
“erforschen” frequency rank
#33,571
“erlöschen” frequency rank
45430
confusion score

Side-by-Side Comparison

Feature erforschen erlöschen
Definition mit wissenschaftlichen Methoden genau untersuchen als Vulkan keine Aktivität mehr zeigen

Where the eye mixes erforschen and erlöschen

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. erforschen runs 10 letters (VCCVCCCCVC) against erlöschen's 9 (VCCVCCCVC) - the length gap alone is often enough to separate them once you know to check it.

10 ch
erforschen
9 ch
erlöschen

Why the eye confuses erforschen with erlöschen

A purely visual mix-up. erforschen ([ɛɐ̯ˈfɔʁʃn̩]) and erlöschen ([ɛɐ̯ˈlœʃn̩]) 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 1 letter(s) in length. Our composite confusion score for this pair is 45430, derived from the frequency rank of both members and their visual similarity.

erforschen is recorded at frequency rank #11,859, classified as averb, pronounced [ɛɐ̯ˈfɔʁʃn̩]. erlöschen is at rank #33,571, tagged as averb, pronounced [ɛɐ̯ˈlœʃn̩].

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 45430, this pair ranks #1,353,285 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of erforschen vs erlöschen

Shared letters: cehnrs. Private to "erforschen": fo. Private to "erlöschen": lö.

"erforschen" · 10 letters · shape VCCVCCCCVC  ·  "erlöschen" · 9 letters · shape VCCVCCCVC

Known mistypes of this pair

  • erforschen ← efrorschen · erfforschen · erforcshen · erforrschen · erforscchen · erforscehn · erforschenn · erforschhen

Frequently Asked Questions

Can "erforschen" and "erlöschen" be used interchangeably?
No. They are said differently ([ɛɐ̯ˈfɔʁʃn̩] versus [ɛɐ̯ˈlœʃn̩]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "erforschen" or "erlöschen" show up more?
"erforschen" is the more common of the two: it sits at frequency rank #11,859 in our German list, against #33,571 for "erlöschen". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "erforschen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "erlöschen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,353,285 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "erforschen" and "erlöschen" also get mixed up with nearby pairs, the highest-scored neighbour is "erhaschen vs erlöschen". 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 #1,353,285 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