SuivssuisTell them apart

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

Which to use

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

#28,407
“Sui” frequency rank
#42,166
“suis” frequency rank
70573
confusion score

Side-by-Side Comparison

Feature Sui suis
Definition Ort in der pakistanischen Provinz Belutschistan Inessiv Plural des Substantivs suu „Mund“

Letter map: Sui vs suis

Shared letters muted; letters that set Sui and suis apart highlighted. Shared run: 3.

3 ch
Sui
4 ch
suis

Part-of-speech tell for Sui / suis

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Sui is aname and suisanoun. On the page they differ by 1 extra letter(s) - “Sui” sits inside “suis”. Our composite confusion score for this pair is 70573, derived from the frequency rank of both members and their visual similarity.

Sui is recorded at frequency rank #28,407, classified as aname, pronounced […]. 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 70573, this pair ranks #442,224 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of Sui vs suis

Shared letters: isu. Private to "Sui": -. Private to "suis": -.

"Sui" · 3 letters · shape CVV  ·  "suis" · 4 letters · shape CVVC

Known mistypes of this pair

  • suissius · ssuis · suiss · susi · usis

Frequently Asked Questions

Is swapping "Sui" for "suis" ever safe?
No - they are not even the same part of speech. "Sui" is a name and "suis" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Sui" vs "suis" - which ranks higher?
"Sui" is the more common of the two: it sits at frequency rank #28,407 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.

Useful next steps

Pair "Sui" vs "suis" is on the table, pick a follow-up below.

  • Full dictionary entry for "Sui" 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 #442,224 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Sui" 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 #442,224 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