lactose
\lak.toz\
The verdict
“lactose” has 9 generated spelling variants in the French index at frequency #30,684. The variants make it a useful spelling check.
- #30,684
- frequency rank, French
- 2,567
- “L” headwords
- 9
- tracked misspellings
- 2
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Diholoside composé d’une molécule de β-D-galactose et d’une molécule de glucose (Glc) reliées entre elles par une liaison osidique β(1→4); c'est un sucre contenu dans le lait.
Corpus desk
Index FR-lactose · lactose · French
lactose · rank #30,684 · 9 variants · 2 confusables
- FREQ-MID #30,684
- LEN-LONG 7 letters
- VOW-3 3 vowels
- CONFUS-LOW 2 pairs
- VAR-MID 9 variants
- BOOK-MID 2,567
- PHOTO-FINISH labor
Nearest frequency peer: labor (-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.
Frequency neighbourhood for “lactose”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- Kingsley
Kingsley
69,319 corpus weight
- labor
labor
69,318 corpus weight
- lactose
lactose
69,317 corpus weight
- lacune
lacune
69,316 corpus weight
- lamar
lamar
69,315 corpus weight
- Lescure
Lescure
69,314 corpus weight
What this shows Bars show where “lactose” sits against the nearest ranked French headwords in the FrequencyWords band, not a reprint of letter-browse containment.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | lactose |
| Language | French |
| Part of speech | Noun |
| IPA | \lak.toz\ |
| Letters | 7 |
| Frequency rank | #30,684 |
| Misspellings tracked | 9 |
| Confusable pairs | 2 |
| Source | Wiktionary (kaikki.org) |
Where “lactose” sits in French frequency
A misspelling magnet
The generator records 9 spelling variants around lactose (IPA \lak.toz\), anoun. Corpus frequency is #30,684 among 2,567 “L” headwords. Dominant gloss: "Diholoside composé d’une molécule de β-D-galactose et d’une molécule de glucose (Glc) reliées entre elles par une liaison osidique β(1→4); c'est un sucre contenu dans le lait.".
Our generated misspelling index lists 9 likely wrong-spelling variants for lactose, with forms such as "alctose", "lacctose", and "lactoes". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 2 confusable-pair relationships, "lactée", "Lacoste", a pairing that trips writers up because the two words share enough sound or shape to blur together.
No documented word history exists for this headword, so its spelling is best read as a straightforward mapping from sound to letter. The correct French form is lactose, spelled L-A-C-T-O-S-E.
Definition
- 1Diholoside composé d’une molécule de β-D-galactose et d’une molécule de glucose (Glc) reliées entre elles par une liaison osidique β(1→4); c'est un sucre contenu dans le lait.
Recorded use
Wiktionary examplesThese source excerpts show how lactose appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Par exemple, une bactérie mise en présence de lactose, le sucre du lait, fabrique de la b-Galactosidase, une enzyme qui coupe le lactose en glucose et en galactose, deux sucres immédiatement assimilables par la bactérie.
L’intolérance au lait est liée à une diminution de l'activité de la lactase, l'enzyme qui permet de digérer le sucre du lait (le lactose).
Synonyms
This word in other languages
Common misspellings
Also misspelled as:
- alctose
- lacctose
- lactoes
- lactosse
- lactsoe
- lacttose
- latcose
- lcatose
- llactose
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of lactose - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
How do you spell "lactose"?
What does "lactose" mean?
What words are commonly confused with "lactose"?
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Similar French words by spelling shape
Same letter count and similar misspelling depth for "lactose", not the corpus desk frequency band.
Same letter count
Frequency-ranked French headwords with 7 letters (nearest by frequency rank).
Similar misspelling depth
Headwords with a similar count of attested misspellings (9 here; floor ≥5).
What to do next
You've looked up "lactose". Here's where to go from here.
- "lactose" maps to 2 confusable pairs in this vintage; the highest-scored is "lactée". View pair
- 9 edit-distance misspelling variants are generated for spell-check research on this headword. See variants
- Usage frequency rank #30,684 among French headwords in this corpus. Corpus statistics
- Browse more French words in the "L" letter cohort. L–Z browse
PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.