curcumin
/ˈkɜː(ɹ)kjəmɪn/
"curcumin" is a 8-letter English headword indexed on PlainSpell.
The verdict
“curcumin” is uncommon English (frequency #75,775 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #75,775
- frequency rank, English
- 5,599
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A polyphenol (1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,6-diene-3,5-dione; a major constituent of the spice turmeric.
Corpus desk
Index EN-curcumin · curcumin · English
curcumin · rank #75,775 · 0 variants · 0 confusables
- FREQ-RARE #75,775
- LEN-LONG 8 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 5,599
- PHOTO-FINISH cultic
Nearest frequency peer: cultic (-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.
Long-tail ranks near “curcumin”
Sparse band: bars invert rank so rarer forms read shorter
- Cullinan
Cullinan
24,228 corpus weight
- cultic
cultic
24,227 corpus weight
- curcumin
curcumin
24,226 corpus weight
- cyclically
cyclically
24,223 corpus weight
- cystitis
cystitis
24,222 corpus weight
- Czechoslova…
Czechoslovakian
24,221 corpus weight
What this shows Long-tail view: where “curcumin” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | curcumin |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈkɜː(ɹ)kjəmɪn/ |
| Letters | 8 |
| Frequency rank | #75,775 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “curcumin” in English
Rare enough to double-check
curcumin is uncommon English at frequency #75,775 among 5,599 “C” headwords, classed as anoun, transcribed /ˈkɜː(ɹ)kjəmɪn/. Rarity is why readers land here mid-draft. Gloss: "A polyphenol (1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,6-diene-3,5-dione; a major constituent of the spice turmeric.".
No generated misspelling entries exist for curcumin in our index, a sign its spelling follows regular English conventions. We don't track a confusable pairing for this entry, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From translingual Curcuma, from Arabic كُرْكُم (kurkum, “turmeric”) + -in. The correct English form is curcumin, spelled C-U-R-C-U-M-I-N.
Definition
- 1A polyphenol (1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,6-diene-3,5-dione; a major constituent of the spice turmeric.
Etymology
From translingual Curcuma, from Arabic كُرْكُم (kurkum, “turmeric”) + -in.
Synonyms
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.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "curcumin", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 8 letters (nearest by frequency rank).