aufkochenvsaufmachenWhich spelling fits?

Which to use

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

#46,481
“aufkochen” frequency rank
#8,678
“aufmachen” frequency rank
55159
confusion score

Side-by-Side Comparison

Feature aufkochen aufmachen
Definition etwas (eine Speise) für kurze Zeit zum Kochen (= Sieden) bringen; etwas (für kurze Zeit) so stark erhitzen, dass es zu kochen beginnt etwas öffnen

Where the eye mixes aufkochen and aufmachen

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. aufkochen and aufmachen follow the identical consonant-vowel pattern (VVCCVCCVC). Same shape at a glance is often the real trap, independent of shared letters.

9 ch
aufkochen
9 ch
aufmachen

Why the eye confuses aufkochen with aufmachen

A purely visual mix-up. aufkochen ([ˈaʊ̯fˌkɔxn̩]) and aufmachen ([ˈaʊ̯fˌmaxn̩]) 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 55159, derived from the frequency rank of both members and their visual similarity.

aufkochen is recorded at frequency rank #46,481, classified as averb, pronounced [ˈaʊ̯fˌkɔxn̩]. aufmachen is at rank #8,678, tagged as averb, pronounced [ˈaʊ̯fˌmaxn̩].

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 55159, this pair ranks #990,497 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of aufkochen vs aufmachen

Shared letters: acefhnu. Private to "aufkochen": ko. Private to "aufmachen": m.

"aufkochen" · 9 letters · shape VVCCVCCVC  ·  "aufmachen" · 9 letters · shape VVCCVCCVC

Known mistypes of this pair

  • aufkochen ← afukochen · auffkochen · aufkcohen · aufkkochen · aufkocchen · aufkocehn · aufkochenn · aufkochhen
  • aufmachen ← afumachen · aufamchen · auffmachen · aufmacchen · aufmacehn · aufmachenn · aufmachhen · aufmachne

Frequently Asked Questions

Is swapping "aufkochen" for "aufmachen" ever safe?
No. They are said differently ([ˈaʊ̯fˌkɔxn̩] versus [ˈaʊ̯fˌmaxn̩]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "aufkochen" or "aufmachen"?
"aufmachen" is the more common of the two: it sits at frequency rank #8,678 in our German list, against #46,481 for "aufkochen". 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 "aufkochen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aufmachen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #990,497 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "aufkochen" and "aufmachen" also get mixed up with nearby pairs, the highest-scored neighbour is "aufkochen vs aufsuchen". 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 #990,497 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