siavsstuTell them apart

Quick tell: sia is a pronoun, stu is an unknown, so they fill different roles in a sentence.

Which to use

“sia” is a pronoun and “stu” is an unknown - they look or sound alike but fill different roles in a sentence.

#32,768
“sia” frequency rank
#47,032
“stu” frequency rank
79800
confusion score

Side-by-Side Comparison

Feature sia stu
Definition sein(e) [eigene(r, -s)], ihr(e) [eigene(r, -s)] Dativ Singular des Numerales sto

Letter map: sia vs stu

Shared letters muted; letters that set sia and stu apart highlighted. Shared run: 1. sia (CVV) and stu (CCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
sia
3 ch
stu

Role in the sentence - sia and stu

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sia is apronoun and stuanunknown. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 79800, derived from the frequency rank of both members and their visual similarity.

sia is recorded at frequency rank #32,768, classified as apron. stu is at rank #47,032, tagged as anunknown, pronounced [stʊ].

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 79800, this pair ranks #208,801 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of sia vs stu

Shared letters: s. Private to "sia": ai. Private to "stu": tu.

"sia" · 3 letters · shape CVV  ·  "stu" · 3 letters · shape CCV

Frequently Asked Questions

Do "sia" and "stu" mean the same thing in a sentence?
No - they are not even the same part of speech. "sia" is a pronoun and "stu" an unknown, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "sia" or "stu" show up more?
"sia" is the more common of the two: it sits at frequency rank #32,768 in our German list, against #47,032 for "stu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "sia" and "stu".

  • Full dictionary entry for "sia" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "stu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #208,801 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "sia" and "stu" also get mixed up with nearby pairs, the highest-scored neighbour is "seg vs stu". Nearby pair

Confusion rank #208,801 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