Which to use
“seifen” is a verb and “seinem” is an unknown - they look or sound alike but fill different roles in a sentence.
- #32,763
- “seifen” frequency rank
- #217
- “seinem” frequency rank
- 32980
- confusion score
Side-by-Side Comparison
| Feature | seifen | seinem |
|---|---|---|
| Definition | mit Reinigungsmittel/Seife bearbeiten und dadurch säubern | Dativ Singular Maskulinum des Possessivpronomens sein |
Where the eye mixes seifen and seinem
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. seifen and seinem follow the identical consonant-vowel pattern (CVVCVC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses seifen with seinem
These two trip readers on the page rather than in the ear: seifen is [ˈzaɪ̯fn̩] while seinem is [ˈzaɪ̯nəm]. 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 unknown), which is usually the fastest check. Our composite confusion score for this pair is 32980, 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]. seinem is at rank #217, tagged as anunknown, pronounced [ˈzaɪ̯nəm].
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 32980, this pair ranks #1,695,939 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of seifen vs seinem
Shared letters: eins. Private to "seifen": f. Private to "seinem": m.
"seifen" · 6 letters · shape CVVCVC · "seinem" · 6 letters · shape CVVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "seifen" for "seinem" ever safe?
Which is more common, "seifen" or "seinem"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "seifen" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "seinem" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,695,939 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "seifen" and "seinem" 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 #1,695,939 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.