luivslunaWhat's the difference?

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

Which to use

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

#44,056
“lui” frequency rank
#13,893
“luna” frequency rank
57949
confusion score

Side-by-Side Comparison

Feature lui luna
Definition er natürlich entstandener Himmelskörper, der einen Planeten, Zwergplaneten oder auch einen Kleinkörper wie einen Asteroiden umkreist

Where the eye mixes lui and luna

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. lui runs 3 letters (CVV) against luna's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
lui
4 ch
luna

Visual trap between lui and luna

These two trip readers on the page rather than in the ear: lui is [lɥi] while luna is [ˈluːna]. 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 57949, derived from the frequency rank of both members and their visual similarity.

lui is recorded at frequency rank #44,056, classified as apron, pronounced [lɥi]. luna is at rank #13,893, tagged as anoun, pronounced [ˈluːna].

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 57949, this pair ranks #881,547 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lui vs luna

Shared letters: lu. Private to "lui": i. Private to "luna": an.

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

Known mistypes of this pair

  • luna ← lluna · lnua · luan · lunna · ulna

Frequently Asked Questions

Do "lui" and "luna" mean the same thing in a sentence?
No - they are not even the same part of speech. "lui" is a pronoun and "luna" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "lui" or "luna"?
"luna" is the more common of the two: it sits at frequency rank #13,893 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

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

  • Full dictionary entry for "lui" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "luna" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #881,547 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "lui" and "luna" 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 #881,547 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