LucyvsluiWhich spelling fits?

Quick tell: Lucy is a name, lui is a pronoun, so they fill different roles in a sentence.

Which to use

“Lucy” is a name and “lui” is a pronoun - they look or sound alike but fill different roles in a sentence.

#11,697
“Lucy” frequency rank
#44,056
“lui” frequency rank
55753
confusion score

Side-by-Side Comparison

Feature Lucy lui
Definition weiblicher Vorname er

Letter map: Lucy vs lui

Shared letters muted; letters that set Lucy and lui apart highlighted. Shared run: 2.

4 ch
Lucy
3 ch
lui

Role in the sentence - Lucy and lui

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Lucy is aname and luiapronoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 55753, derived from the frequency rank of both members and their visual similarity.

Lucy is recorded at frequency rank #11,697, classified as aname, pronounced […]. lui is at rank #44,056, tagged as apron, pronounced [lɥi].

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 55753, this pair ranks #967,154 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Lucy vs lui

Shared letters: lu. Private to "Lucy": cy. Private to "lui": i.

"Lucy" · 4 letters · shape CVCV  ·  "lui" · 3 letters · shape CVV

Known mistypes of this pair

  • Lucylcuy · llucy · luccy · lucyy · luyc · ulcy

Frequently Asked Questions

Can "Lucy" and "lui" be used interchangeably?
No - they are not even the same part of speech. "Lucy" is a name and "lui" a pronoun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "Lucy" or "lui" show up more?
"Lucy" is the more common of the two: it sits at frequency rank #11,697 in our German list, against #44,056 for "lui". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "Lucy" and "lui". Here's where to go from here.

  • Full dictionary entry for "Lucy" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lui" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #967,154 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Lucy" and "lui" also get mixed up with nearby pairs, the highest-scored neighbour is "Lori vs lui". 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 #967,154 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