lui vs lung, What's the Difference?

Which to use

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

#44,056
“lui” frequency rank: #36,488
“lung” frequency rank: 80544
confusion score

Side-by-Side Comparison

Feature	lui	lung
Definition	er	die Lunge

Letter map: lui vs lung

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

3 ch

lui

4 ch

lung

Role in the sentence - lui and lung

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: lui is apronoun and lunganoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 80544, 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]. lung is at rank #36,488, tagged as anoun, pronounced […].

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 80544, this pair ranks #193,446 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of lui vs lung

Shared letters: lu. Private to "lui": i. Private to "lung": gn.

"lui" · 3 letters · shape CVV · "lung" · 4 letters · shape CVCC

Known mistypes of this pair

lung ← llung · lnug · lugn · lungg · lunng · ulng

Frequently Asked Questions

Is swapping "lui" for "lung" ever safe?

No - they are not even the same part of speech. "lui" is a pronoun and "lung" a noun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "lui" or "lung"?

"lung" is the more common of the two: it sits at frequency rank #36,488 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

Pair "lui" vs "lung" is on the table, pick a follow-up below.

Full dictionary entry for "lui" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "lung" - compare definitions side by side with the headword page. Word entry
This pair ranks #193,446 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"lui" and "lung" 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 #193,446 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.