fat-soluble
"fat-soluble" is a 10-letter English headword indexed on PlainSpell.
The verdict
“fat-soluble” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 11
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Soluble in lipids, and in organic solvents; soluble in fats, (medicine) and therefore tending to accumulate in the fat and adipose tissue of the body.
| Property | Value |
|---|---|
| Headword | fat-soluble |
| Language | English |
| Part of speech | Adjective |
| Letters | 11 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “fat-soluble” sits in English frequency
Rare enough to double-check
fat-soluble is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Soluble in lipids, and in organic solvents; soluble in fats, (medicine) and therefore tending to accumulate in the fat and adipose tissue of the body.".
fat-soluble doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.
Wiktionary doesn't record an etymology for this headword, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is fat-soluble, spelled F-A-T---S-O-L-U-B-L-E.
Definition
- 1Soluble in lipids, and in organic solvents; soluble in fats, (medicine) and therefore tending to accumulate in the fat and adipose tissue of the body.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “fat-soluble”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is F-A-T---S-O-L-U-B-L-E - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
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.