seistvssuisWhich spelling fits?

Quick tell: seist is a unknown, suis is a noun, so they fill different roles in a sentence.

Which to use

“seist” is an unknown and “suis” is a noun - they look or sound alike but fill different roles in a sentence.

#32,764
“seist” frequency rank
#42,166
“suis” frequency rank
74930
confusion score

Side-by-Side Comparison

Feature seist suis
Definition 2. Person Singular Konjunktiv I Präsens von sein Inessiv Plural des Substantivs suu „Mund“

Letter map: seist vs suis

Shared letters muted; letters that set seist and suis apart highlighted. Shared run: 3. seist runs 5 letters (CVVCC) against suis's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
seist
4 ch
suis

Part-of-speech tell for seist / suis

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: seist is anunknown and suisanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 74930, derived from the frequency rank of both members and their visual similarity.

seist is recorded at frequency rank #32,764, classified as anunknown, pronounced [zaɪ̯st]. suis is at rank #42,166, tagged as anoun, pronounced […].

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 74930, this pair ranks #320,753 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of seist vs suis

Shared letters: is. Private to "seist": et. Private to "suis": u.

"seist" · 5 letters · shape CVVCC  ·  "suis" · 4 letters · shape CVVC

Known mistypes of this pair

  • seist ← esist · seisst · seistt · seits · sesit · siest · sseist
  • suis ← sius · ssuis · suiss · susi · usis

Frequently Asked Questions

Is swapping "seist" for "suis" ever safe?
No - they are not even the same part of speech. "seist" is an unknown and "suis" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "seist" vs "suis" - which ranks higher?
"seist" is the more common of the two: it sits at frequency rank #32,764 in our German list, against #42,166 for "suis". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "seist" and "suis". Here's where to go from here.

  • Full dictionary entry for "seist" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "suis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #320,753 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "seist" and "suis" also get mixed up with nearby pairs, the highest-scored neighbour is "puzzles vs suis". 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 #320,753 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