sievssyWhich spelling fits?

Quick tell: sie is a pronoun, sy is a noun, so they fill different roles in a sentence.

Which to use

“sie” is a pronoun and “sy” is a noun - they look or sound alike but fill different roles in a sentence.

#18
“sie” frequency rank
#37,807
“sy” frequency rank
37825
confusion score

Side-by-Side Comparison

Feature sie sy
Definition Personalpronomen 3. Person Femininum Singular, welches eine zuvor benutzte Nominalphrase im Femininum (Person, Tier, Sache oder Abstraktum) ersetzt oder bei fehlendem oder weit entferntem Bezugswort auf eine Person weiblichen natürlichen Geschlechts verweist Auge

Where the eye mixes sie and sy

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
sie
2 ch
sy

Look-alike desk: sie vs sy

These two trip readers on the page rather than in the ear: sie is [ziː] while sy is [sy]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (pronoun vs noun), which is usually the fastest check. Our composite confusion score for this pair is 37825, derived from the frequency rank of both members and their visual similarity.

sie is recorded at frequency rank #18, classified as apron, pronounced [ziː]. sy is at rank #37,807, tagged as anoun, pronounced [sy].

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 37825, this pair ranks #1,580,112 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sie vs sy

Shared letters: s. Private to "sie": ei. Private to "sy": y.

"sie" · 3 letters · shape CVV  ·  "sy" · 2 letters · shape CV

Frequently Asked Questions

Do "sie" and "sy" mean the same thing in a sentence?
No - they are not even the same part of speech. "sie" is a pronoun and "sy" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sie" or "sy"?
"sie" is the more common of the two: it sits at frequency rank #18 in our German list, against #37,807 for "sy". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "sie" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,580,112 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "sie" and "sy" also get mixed up with nearby pairs, the highest-scored neighbour is "seg vs sy". Nearby pair

Confusion rank #1,580,112 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