Which to use
“LSD” and “lut” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #26,788
- “LSD” frequency rank
- #40,358
- “lut” frequency rank
- 67146
- confusion score
Side-by-Side Comparison
| Feature | LSD | lut |
|---|---|---|
| Definition | Composé organique de la famille des ergolines, le diéthylamide de l’acide lysergique, dérivé de l’acide lysergique présent dans l’ergot de seigle, connu comme un hallucinogène très puissant actif à de très faibles doses. | 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 LSD and lut
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses LSD with lut
A purely visual mix-up. LSD (\ɛl.ɛs.de\) and lut (\lyt\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 67146, derived from the frequency rank of both members and their visual similarity.
LSD is recorded at frequency rank #26,788, classified as anoun, pronounced \ɛl.ɛs.de\. 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 67146, this pair ranks #64,679 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of LSD vs lut
Shared letters: l. Private to "LSD": ds. Private to "lut": tu.
"LSD" · 3 letters · shape CCC · "lut" · 3 letters · shape CVC
Frequently Asked Questions
Do "LSD" and "lut" mean the same thing in a sentence?
In ordinary French text, does "LSD" or "lut" show up more?
Useful next steps
Eye-level mix-up between "LSD" and "lut" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "LSD" 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 #64,679 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "LSD" and "lut" also get mixed up with nearby pairs, the highest-scored neighbour is "lep vs lut". Nearby pair
Confusion rank #64,679 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.