seit vs suis, What's the Difference?

Which to use

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

#120
“seit” frequency rank: #42,166
“suis” frequency rank: 42286
confusion score

Side-by-Side Comparison

Feature	seit	suis
Definition	von … an, ausgehend von … (Zeitpunkt)	Inessiv Plural des Substantivs suu „Mund“

Letter map: seit vs suis

Shared letters muted; letters that set seit and suis apart highlighted. Shared run: 2.

4 ch

seit

4 ch

suis

Role in the sentence - seit and suis

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: seit is apreposition and suisanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 42286, derived from the frequency rank of both members and their visual similarity.

seit is recorded at frequency rank #120, classified as aprep, pronounced [zaɪ̯t]. 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 42286, this pair ranks #1,454,085 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of seit vs suis

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

"seit" · 4 letters · shape CVVC · "suis" · 4 letters · shape CVVC

Known mistypes of this pair

seit ← esit · seitt · seti · siet · sseit
suis ← sius · ssuis · suiss · susi · usis

Frequently Asked Questions

Do "seit" and "suis" mean the same thing in a sentence?

No - they are not even the same part of speech. "seit" is a preposition and "suis" a noun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "seit" or "suis"?

"seit" is the more common of the two: it sits at frequency rank #120 in our German list, against #42,166 for "suis". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

Full dictionary entry for "seit" 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 #1,454,085 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"seit" 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 #1,454,085 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.