LunvslutConfusable pair

Quick tell: Lun is a name, lut is a noun, so they fill different roles in a sentence.

Which to use

“Lun” is a name and “lut” is a noun - they look or sound alike but fill different roles in a sentence.

#30,693
“Lun” frequency rank
#40,358
“lut” frequency rank
71051
confusion score

Side-by-Side Comparison

Feature Lun lut
Definition Lundi. Se dit de pâtes ou d'enduits qu'on applique sur les bouchons des vases pour en assurer la fermeture hermétique, autour des cornues, des tubes de verre pour les soustraire à l'action directe du feu, ou qu'on utilise pour obturer des trous, pour faire des joints etc.

Where the eye mixes Lun and lut

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
Lun
3 ch
lut

Why the eye confuses Lun with lut

These two trip readers on the page rather than in the ear: Lun is \ˈlỹːn\ while lut is \lyt\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - n in “Lun” becomes t in “lut”, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 71051, derived from the frequency rank of both members and their visual similarity.

Lun is recorded at frequency rank #30,693, classified as aname, pronounced \ˈlỹːn\. lut is at rank #40,358, tagged as anoun, pronounced \lyt\.

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 71051, this pair ranks #48,988 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of Lun vs lut

Shared letters: lu. Private to "Lun": n. Private to "lut": t.

"Lun" · 3 letters · shape CVC  ·  "lut" · 3 letters · shape CVC

Frequently Asked Questions

Do "Lun" and "lut" mean the same thing in a sentence?
No - they are not even the same part of speech. "Lun" is a name and "lut" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Lun" vs "lut" - which ranks higher?
"Lun" is the more common of the two: it sits at frequency rank #30,693 in our French list, against #40,358 for "lut". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "Lun" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lut" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #48,988 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Lun" and "lut" also get mixed up with nearby pairs, the highest-scored neighbour is "lep vs lut". Nearby pair

Confusion rank #48,988 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list