FlussvsflüssigWhich spelling fits?

Quick tell: Fluss is a noun, flüssig is an adjective, so they fill different roles in a sentence.

Which to use

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

#2,955
“Fluss” frequency rank
#12,915
“flüssig” frequency rank
15870
confusion score

Side-by-Side Comparison

Feature Fluss flüssig
Definition größeres, fließendes Gewässer so, dass die Moleküle sich leicht verschieben können (Aggregatzustand zwischen fest und gasförmig)

Where the eye mixes Fluss and flüssig

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. Fluss runs 5 letters (CCVCC) against flüssig's 7 (CCVCCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
Fluss
7 ch
flüssig

Look-alike desk: Fluss vs flüssig

These two trip readers on the page rather than in the ear: Fluss is [flʊs] while flüssig is [ˈflʏsɪç]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 15870, derived from the frequency rank of both members and their visual similarity.

Fluss is recorded at frequency rank #2,955, classified as anoun, pronounced [flʊs]. flüssig is at rank #12,915, tagged as anadj, pronounced [ˈflʏsɪç].

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 15870, this pair ranks #1,940,477 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Fluss vs flüssig

Shared letters: fls. Private to "Fluss": u. Private to "flüssig": giü.

"Fluss" · 5 letters · shape CCVCC  ·  "flüssig" · 7 letters · shape CCVCCVC

Known mistypes of this pair

  • Fluss ← ffluss · flluss · flsus · flus · fluß · fulss · lfuss

Frequently Asked Questions

Can "Fluss" and "flüssig" be used interchangeably?
No - they are not even the same part of speech. "Fluss" is a noun and "flüssig" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Fluss" or "flüssig"?
"Fluss" is the more common of the two: it sits at frequency rank #2,955 in our German list, against #12,915 for "flüssig". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "Fluss" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "flüssig" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,940,477 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Fluss" and "flüssig" also get mixed up with nearby pairs, the highest-scored neighbour is "Fluss vs Fouls". 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 #1,940,477 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