LDH vs lux, What's the Difference?

Which to use

“LDH” and “lux” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#43,525
“LDH” frequency rank: #18,246
“lux” frequency rank: 61771
confusion score

Side-by-Side Comparison

Feature	LDH	lux
Definition	Lactate déshydrogénase (enzyme).	Unité de mesure d’éclairement lumineux du Système international, définie comme lumen par mètre carré, dont le symbole est lx.

Letter map: LDH vs lux

Shared letters muted; letters that set LDH and lux apart highlighted. Shared run: 1.

3 ch

LDH

3 ch

lux

Corpus notes: LDH and lux

LDH and lux are indexed as a confusable French pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 61771, derived from the frequency rank of both members and their visual similarity.

LDH is recorded at frequency rank #43,525, classified as anoun. lux is at rank #18,246, tagged as anoun, pronounced \lyks\.

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 61771, this pair ranks #90,529 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of LDH vs lux

Shared letters: l. Private to "LDH": dh. Private to "lux": ux.

"LDH" · 3 letters · shape CCC · "lux" · 3 letters · shape CVC

Frequently Asked Questions

Do "LDH" and "lux" mean the same thing in a sentence?

No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

In ordinary French text, does "LDH" or "lux" show up more?

"lux" is the more common of the two: it sits at frequency rank #18,246 in our French list, against #43,525 for "LDH". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "LDH" and "lux".

Full dictionary entry for "LDH" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "lux" - compare definitions side by side with the headword page. Word entry
This pair ranks #90,529 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"LDH" and "lux" also get mixed up with nearby pairs, the highest-scored neighbour is "LDH vs lep". Nearby pair

Confusion rank #90,529 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.