saivssieWhich spelling fits?

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

Which to use

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

#47,708
“sai” frequency rank
#18
“sie” frequency rank
47726
confusion score

Side-by-Side Comparison

Feature sai sie
Definition 2. Person Singular Indikativ Präsens Aktiv des Verbs sapere 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

Where the eye mixes sai and sie

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. sai and sie follow the identical consonant-vowel pattern (CVV). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
sai
3 ch
sie

Why the eye confuses sai with sie

These two trip readers on the page rather than in the ear: sai is [ˈsai̯] while sie is [ziː]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 47726, derived from the frequency rank of both members and their visual similarity.

sai is recorded at frequency rank #47,708, classified as averb, pronounced [ˈsai̯]. sie is at rank #18, tagged as apron, pronounced [ziː].

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 47726, this pair ranks #1,274,241 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sai vs sie

Shared letters: is. Private to "sai": a. Private to "sie": e.

"sai" · 3 letters · shape CVV  ·  "sie" · 3 letters · shape CVV

Frequently Asked Questions

Can "sai" and "sie" be used interchangeably?
No - they are not even the same part of speech. "sai" is a verb and "sie" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sai" vs "sie" - which ranks higher?
"sie" is the more common of the two: it sits at frequency rank #18 in our German list, against #47,708 for "sai". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "sai" and "sie" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "sai" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sie" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,274,241 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "sai" and "sie" also get mixed up with nearby pairs, the highest-scored neighbour is "sai vs seg". Nearby pair

Confusion rank #1,274,241 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