lui vs Luigi, What's the Difference?

Which to use

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

#68
“lui” frequency rank: #21,069
“Luigi” frequency rank: 21137
confusion score

Side-by-Side Comparison

Feature	lui	Luigi
Definition	Pronom clitique de la troisième personne du singulier épicène du complément d’objet indirect.	Prénom masculin d’origine italienne.

Where the spellings diverge

Shared letters are muted; the letters that actually set lui and Luigi apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

3 ch

lui

5 ch

Luigi

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: lui is \lɥi\ while Luigi is \lwi.dʒi\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “lui” sits inside “Luigi”, and the parts of speech differ too (pronoun vs name), which is usually the fastest check. Our composite confusion score for this pair is 21137, derived from the frequency rank of both members and their visual similarity.

lui is recorded at frequency rank #68, classified as apron, pronounced \lɥi\. Luigi is at rank #21,069, tagged as aname, pronounced \lwi.dʒi\.

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 21137, this pair ranks #364,667 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of lui vs Luigi

Shared letters: ilu. Private to "lui": -. Private to "Luigi": g.

"lui" · 3 letters · shape CVV · "Luigi" · 5 letters · shape CVVCV

Known mistypes of this pair

Luigi ← liugi · lluigi · lugii · luiggi · luiig · uligi

Frequency comparison

lui#68

Luigi#21,069

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "lui" and "Luigi" be used interchangeably?

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

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

"lui" is the more common of the two: it sits at frequency rank #68 in our French list, against #21,069 for "Luigi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering lui vs Luigi

The fastest way to pick the right one every time.

Check the role first: if you need a pronoun, it's “lui”; for a name, it's “Luigi”.
See each word in full, definition, IPA, etymology and its other confusables. Full “lui” entry
Browse more pairs most likely to be confused. Most confusable