LDHvsleiWhat's the difference?

Which to use

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

#43,525
“LDH” frequency rank
#30,248
“lei” frequency rank
73773
confusion score

Side-by-Side Comparison

Feature LDH lei
Definition Lactate déshydrogénase (enzyme). Pluriel de leu.

Letter map: LDH vs lei

Shared letters muted; letters that set LDH and lei apart highlighted. Shared run: 1. LDH (CCC) and lei (CVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
LDH
3 ch
lei

Pair insight - LDH / lei

LDH and lei 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 73773, derived from the frequency rank of both members and their visual similarity.

LDH is recorded at frequency rank #43,525, classified as anoun. lei is at rank #30,248, tagged as anoun, pronounced \lɛj\.

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 73773, this pair ranks #39,312 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of LDH vs lei

Shared letters: l. Private to "LDH": dh. Private to "lei": ei.

"LDH" · 3 letters · shape CCC  ·  "lei" · 3 letters · shape CVV

Frequently Asked Questions

Do "LDH" and "lei" 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.
Frequency check: "LDH" vs "lei" - which ranks higher?
"lei" is the more common of the two: it sits at frequency rank #30,248 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.

Useful next steps

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

  • Full dictionary entry for "LDH" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lei" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #39,312 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "LDH" and "lei" also get mixed up with nearby pairs, the highest-scored neighbour is "LDH vs lep". Nearby pair

Confusion rank #39,312 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