seifenvsStufenWhich spelling fits?

Quick tell: seifen is a verb, Stufen is a noun, so they fill different roles in a sentence.

Which to use

“seifen” is a verb and “Stufen” is a noun - they look or sound alike but fill different roles in a sentence.

#32,763
“seifen” frequency rank
#6,008
“Stufen” frequency rank
38771
confusion score

Side-by-Side Comparison

Feature seifen Stufen
Definition mit Reinigungsmittel/Seife bearbeiten und dadurch säubern Nominativ Plural des Substantivs Stufe

Where the eye mixes seifen and Stufen

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. seifen (CVVCVC) and Stufen (CCVCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
seifen
6 ch
Stufen

Look-alike desk: seifen vs Stufen

These two trip readers on the page rather than in the ear: seifen is [ˈzaɪ̯fn̩] while Stufen is [ˈʃtuːfn̩]. 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 38771, derived from the frequency rank of both members and their visual similarity.

seifen is recorded at frequency rank #32,763, classified as averb, pronounced [ˈzaɪ̯fn̩]. Stufen is at rank #6,008, tagged as anoun, pronounced [ˈʃtuːfn̩].

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 38771, this pair ranks #1,555,038 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of seifen vs Stufen

Shared letters: efns. Private to "seifen": i. Private to "Stufen": tu.

"seifen" · 6 letters · shape CVVCVC  ·  "Stufen" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • seifen ← esifen · sefien · seiefn · seifenn · seiffen · seifne · siefen · sseifen
  • Stufen ← sstufen · stfuen · sttufen · stuefn · stufenn · stuffen · stufne · sutfen

Frequently Asked Questions

Can "seifen" and "Stufen" be used interchangeably?
No - they are not even the same part of speech. "seifen" is a verb and "Stufen" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "seifen" or "Stufen" show up more?
"Stufen" is the more common of the two: it sits at frequency rank #6,008 in our German list, against #32,763 for "seifen". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "seifen" and "Stufen" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "seifen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Stufen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,555,038 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "seifen" and "Stufen" also get mixed up with nearby pairs, the highest-scored neighbour is "seifen vs Stilen". 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 #1,555,038 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