octachoron
"octachoron" is a 10-letter English headword indexed on PlainSpell.
The verdict
“octachoron” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 10
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A four-dimensional object analogous to a cube, constructed out of eight cubes.
| Property | Value |
|---|---|
| Headword | octachoron |
| Language | English |
| Part of speech | Noun |
| Letters | 10 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “octachoron” sits in English frequency
Rare enough to double-check
octachoron is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A four-dimensional object analogous to a cube, constructed out of eight cubes.".
We couldn't generate a plausible misspelling set for octachoron, typically a sign the spelling maps closely to how the word sounds. 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 octa- (“eight”) + -choron (“room”), from Ancient Greek ὀκτά- (oktá-, “eight”) and χῶρος (khôros, “room”). The correct English form is octachoron, spelled O-C-T-A-C-H-O-R-O-N.
Definition
- 1A four-dimensional object analogous to a cube, constructed out of eight cubes.
Etymology
From octa- (“eight”) + -choron (“room”), from Ancient Greek ὀκτά- (oktá-, “eight”) and χῶρος (khôros, “room”).
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 “octachoron”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is O-C-T-A-C-H-O-R-O-N - 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.