Which to use
“flash” is a verb and “Fluss” is a noun - they look or sound alike but fill different roles in a sentence.
- #8,560
- “flash” frequency rank
- #2,955
- “Fluss” frequency rank
- 11515
- confusion score
Side-by-Side Comparison
| Feature | flash | Fluss |
|---|---|---|
| Definition | 2. Person Singular Imperativ Präsens Aktiv des Verbs flashen | größeres, fließendes Gewässer |
Where the eye mixes flash and Fluss
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses flash with Fluss
These two trip readers on the page rather than in the ear: flash is [flɛʃ] while Fluss is [flʊs]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 11515, derived from the frequency rank of both members and their visual similarity.
flash is recorded at frequency rank #8,560, classified as averb, pronounced [flɛʃ]. Fluss is at rank #2,955, tagged as anoun, pronounced [flʊs].
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 11515, this pair ranks #1,969,493 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of flash vs Fluss
Shared letters: fls. Private to "flash": ah. Private to "Fluss": u.
"flash" · 5 letters · shape CCVCC · "Fluss" · 5 letters · shape CCVCC
Known mistypes of this pair
Frequently Asked Questions
Do "flash" and "Fluss" mean the same thing in a sentence?
In ordinary German text, does "flash" or "Fluss" show up more?
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 "flash" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Fluss" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,969,493 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "flash" and "Fluss" also get mixed up with nearby pairs, the highest-scored neighbour is "flame vs flash". 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 #1,969,493 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.