Which to use
“Rost” is a noun and “rufst” is a verb - they look or sound alike but fill different roles in a sentence.
- #14,913
- “Rost” frequency rank
- #33,787
- “rufst” frequency rank
- 48700
- confusion score
Side-by-Side Comparison
| Feature | Rost | rufst |
|---|---|---|
| Definition | rötlich braunes Produkt der Korrosion von Eisen | 2. Person Singular Indikativ Präsens Aktiv des Verbs rufen |
Where the eye mixes Rost and rufst
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: Rost vs rufst
These two trip readers on the page rather than in the ear: Rost is [ʁɔst] while rufst is [ʁuːfst]. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 48700, derived from the frequency rank of both members and their visual similarity.
Rost is recorded at frequency rank #14,913, classified as anoun, pronounced [ʁɔst]. rufst is at rank #33,787, tagged as averb, pronounced [ʁuːfst].
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 48700, this pair ranks #1,238,886 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of Rost vs rufst
Shared letters: rst. Private to "Rost": o. Private to "rufst": fu.
"Rost" · 4 letters · shape CVCC · "rufst" · 5 letters · shape CVCCC
Known mistypes of this pair
Frequently Asked Questions
Can "Rost" and "rufst" be used interchangeably?
Which is more common, "Rost" or "rufst"?
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 "Rost" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rufst" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,238,886 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "Rost" and "rufst" also get mixed up with nearby pairs, the highest-scored neighbour is "rufst vs russo". 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 #1,238,886 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.