flachesvsFlaschenTell them apart

Quick tell: flaches is a adjective, Flaschen is a noun, so they fill different roles in a sentence.

Which to use

“flaches” is an adjective and “Flaschen” is a noun - they look or sound alike but fill different roles in a sentence.

#42,488
“flaches” frequency rank
#5,168
“Flaschen” frequency rank
47656
confusion score

Side-by-Side Comparison

Feature flaches Flaschen
Definition Nominativ Singular Neutrum der starken Deklination des Positivs des Adjektivs flach Nominativ Plural des Substantivs Flasche

Where the eye mixes flaches and Flaschen

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

7 ch
flaches
8 ch
Flaschen

Why the eye confuses flaches with Flaschen

These two trip readers on the page rather than in the ear: flaches is [ˈflaxəs] while Flaschen is [ˈflaʃn̩]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 47656, derived from the frequency rank of both members and their visual similarity.

flaches is recorded at frequency rank #42,488, classified as anadj, pronounced [ˈflaxəs]. Flaschen is at rank #5,168, tagged as anoun, pronounced [ˈflaʃn̩].

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 47656, this pair ranks #1,276,652 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of flaches vs Flaschen

Shared letters: acefhls. Private to "flaches": -. Private to "Flaschen": n.

"flaches" · 7 letters · shape CCVCCVC  ·  "Flaschen" · 8 letters · shape CCVCCCVC

Known mistypes of this pair

  • flachesfalches · fflaches · flacches · flacehs · flachess · flachhes · flachse · flahces
  • Flaschenfalschen · fflaschen · flacshen · flascchen · flascehn · flaschenn · flaschhen · flaschne

Frequently Asked Questions

Can "flaches" and "Flaschen" be used interchangeably?
No - they are not even the same part of speech. "flaches" is an adjective and "Flaschen" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "flaches" or "Flaschen"?
"Flaschen" is the more common of the two: it sits at frequency rank #5,168 in our German list, against #42,488 for "flaches". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "flaches" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Flaschen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,276,652 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "flaches" and "Flaschen" also get mixed up with nearby pairs, the highest-scored neighbour is "Fachs vs flaches". 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 #1,276,652 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