HauptfachvsHauptsacheWhich spelling fits?

Which to use

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

#34,720
“Hauptfach” frequency rank
#3,453
“Hauptsache” frequency rank
38173
confusion score

Side-by-Side Comparison

Feature Hauptfach Hauptsache
Definition Fach an einer Universität, in dem jemand ein vollständiges Studium absolviert das Wichtigste; das Entscheidende; das, worum es am meisten geht

Where the eye mixes Hauptfach and Hauptsache

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. Hauptfach runs 9 letters (CVVCCCVCC) against Hauptsache's 10 (CVVCCCVCCV) - the length gap alone is often enough to separate them once you know to check it.

9 ch
Hauptfach
10 ch
Hauptsache

Visual trap between Hauptfach and Hauptsache

A purely visual mix-up. Hauptfach ([ˈhaʊ̯ptˌfax]) and Hauptsache ([ˈhaʊ̯ptˌzaxə]) 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 38173, derived from the frequency rank of both members and their visual similarity.

Hauptfach is recorded at frequency rank #34,720, classified as anoun, pronounced [ˈhaʊ̯ptˌfax]. Hauptsache is at rank #3,453, tagged as anoun, pronounced [ˈhaʊ̯ptˌzaxə].

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 38173, this pair ranks #1,570,962 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Hauptfach vs Hauptsache

Shared letters: achptu. Private to "Hauptfach": f. Private to "Hauptsache": es.

"Hauptfach" · 9 letters · shape CVVCCCVCC  ·  "Hauptsache" · 10 letters · shape CVVCCCVCCV

Known mistypes of this pair

  • Hauptfach ← ahuptfach · haputfach · haupftach · haupptfach · hauptafch · hauptfacch · hauptfachh · hauptfahc
  • Hauptsache ← ahuptsache · haputsache · haupptsache · haupstache · hauptasche · hauptsacche · hauptsaceh · hauptsachhe

Frequently Asked Questions

Do "Hauptfach" and "Hauptsache" mean the same thing in a sentence?
No. They are said differently ([ˈhaʊ̯ptˌfax] versus [ˈhaʊ̯ptˌzaxə]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "Hauptfach" or "Hauptsache" show up more?
"Hauptsache" is the more common of the two: it sits at frequency rank #3,453 in our German list, against #34,720 for "Hauptfach". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "Hauptfach" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Hauptsache" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,570,962 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Hauptfach" and "Hauptsache" also get mixed up with nearby pairs, the highest-scored neighbour is "Hauptsache vs Hauptursache". 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 #1,570,962 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