lysine
\li.zin\
The verdict
“lysine” is uncommon French (frequency #79,498 among 2,567 “L” headwords), classed as a noun. The kind of spelling people second-guess.
- #79,498
- frequency rank, French
- 2,567
- “L” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Acide aminé dont la chaîne latérale est (-CH₂-CH₂-CH₂-CH₂-NH₂).
Corpus desk
Index FR-lysine · lysine · French
lysine · rank #79,498 · 0 variants · 0 confusables
- FREQ-RARE #79,498
- LEN-LONG 6 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,567
- PHOTO-FINISH lysa
Nearest frequency peer: lysa (-1 rank slots)
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Rangs de longue queue près de « lysine »
Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court
- lubrifier
lubrifier
20,506 corpus weight
- lumbago
lumbago
20,505 corpus weight
- lysa
lysa
20,504 corpus weight
- lysine
lysine
20,503 corpus weight
- légitimant
légitimant
20,502 corpus weight
- madeira
madeira
20,500 corpus weight
What this shows Vue de longue queue: où « lysine » se situe face à des rangs français aussi rares.
| Property | Value |
|---|---|
| Headword | lysine |
| Language | French |
| Part of speech | Noun |
| IPA | \li.zin\ |
| Letters | 6 |
| Frequency rank | #79,498 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Longue queue: rang de « lysine » en français
Rare enough to double-check
lysine is uncommon French at frequency #79,498 among 2,567 “L” headwords, classed as anoun, transcribed \li.zin\. Rarity is why readers land here mid-draft. 2 senses are on record.
Our edit-distance generator produced no likely misspellings for lysine, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
No borrowing history is documented for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct French form is lysine, spelled L-Y-S-I-N-E.
Definition
- 1Acide aminé dont la chaîne latérale est (-CH₂-CH₂-CH₂-CH₂-NH₂).
- 2Enzyme provoquant une lyse.
Recorded use
Wiktionary examplesThese source excerpts show how lysine appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
L'organisme est incapable d'élaborer certains aminoacides cycliques, comme le tryptophane, la lysine, l'histidine, l'arginine : ceux-ci, puisés dans l'aliment végétal, représentent le besoin qualitatif d'azote.
Les protéines, en particulier trois des huit acides aminés essentiels (la lysine, la méthionine et le tryptophane), sont contenues en belle quantité dans le jaune d’œuf et les poissons gras (sardine, anchois, hareng…), en priorité, puis les volailles sans leur peau, les viandes maigres, les céréales complètes et les légumes secs, ainsi que les yaourts nat…
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Similar French words by spelling shape
Same letter count and similar misspelling depth for "lysine", not the corpus desk frequency band.
Same letter count
Frequency-ranked French headwords with 6 letters (nearest by frequency rank).