lactone
/ˈlæktəʊn/
"lactone" is a 7-letter English headword indexed on PlainSpell.
The verdict
“lactone” is uncommon English (frequency #98,346 among 16,425 “L” headwords), classed as a noun. The kind of spelling people second-guess.
- #98,346
- frequency rank, English
- 16,425
- “L” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A cyclic intramolecular ester derived from a hydroxy acid.
Corpus desk
Index EN-lactone · lactone · English
lactone · rank #98,346 · 0 variants · 0 confusables
- FREQ-RARE #98,346
- LEN-LONG 7 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 16,425
- PHOTO-FINISH Ladin
Nearest frequency peer: Ladin (+1 rank slots)
Read with this headword: Spelling guide for this pattern
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 “lactone”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- kshatriya
kshatriya
1,660 corpus weight
- lactone
lactone
1,655 corpus weight
- Ladin
Ladin
1,654 corpus weight
- laggard
laggard
1,653 corpus weight
- laksa
laksa
1,652 corpus weight
- lamba
lamba
1,651 corpus weight
What this shows Bars show where “lactone” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | lactone |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈlæktəʊn/ |
| Letters | 7 |
| Frequency rank | #98,346 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “lactone” sits in English frequency
Rare enough to double-check
lactone is uncommon English at frequency #98,346 among 16,425 “L” headwords, classed as anoun, transcribed /ˈlæktəʊn/. Rarity is why readers land here mid-draft. Gloss: "A cyclic intramolecular ester derived from a hydroxy acid.".
No misspelling variants are generated for lactone in our index, a straightforward case of a spelling with little room for common typos. It is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From lacto- + -one. The correct English form is lactone, spelled L-A-C-T-O-N-E.
Definition
- 1A cyclic intramolecular ester derived from a hydroxy acid.
Etymology
From lacto- + -one.
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 English 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 May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "lactone", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 7 letters (nearest by frequency rank).
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.