chitosan
/ˈkaɪ.tə.sæn/
"chitosan" is a 8-letter English headword indexed on PlainSpell.
The verdict
“chitosan” is uncommon English (frequency #75,724 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #75,724
- frequency rank, English
- 5,599
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An oligosaccharide derived from chitin, sometimes used in the absorption of fat
Corpus desk
Index EN-chitosan · chitosan · English
chitosan · rank #75,724 · 0 variants · 0 confusables
- FREQ-RARE #75,724
- LEN-LONG 8 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 5,599
- PHOTO-FINISH Chuka
Nearest frequency peer: Chuka (+2 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 “chitosan”
Sparse band: bars invert rank so rarer forms read shorter
- chikungunya
chikungunya
24,280 corpus weight
- chitosan
chitosan
24,277 corpus weight
- Chuka
Chuka
24,275 corpus weight
- churlish
churlish
24,274 corpus weight
- circumnavig…
circumnavigation
24,273 corpus weight
- clambering
clambering
24,272 corpus weight
What this shows Long-tail view: where “chitosan” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | chitosan |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈkaɪ.tə.sæn/ |
| Letters | 8 |
| Frequency rank | #75,724 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “chitosan” in English
Rare enough to double-check
chitosan is uncommon English at frequency #75,724 among 5,599 “C” headwords, classed as anoun, transcribed /ˈkaɪ.tə.sæn/. Rarity is why readers land here mid-draft. Gloss: "An oligosaccharide derived from chitin, sometimes used in the absorption of fat".
No generated misspelling entries exist for chitosan in our index, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
No documented word history exists for this headword, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is chitosan, spelled C-H-I-T-O-S-A-N.
Definition
- 1An oligosaccharide derived from chitin, sometimes used in the absorption of fat
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.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "chitosan", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 8 letters (nearest by frequency rank).