9-gon
"9-gon" is a 3-letter English headword indexed on PlainSpell.
The verdict
“9-gon” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 5
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Synonym of enneagon: A polygon with nine sides; a nonagon.
| Property | Value |
|---|---|
| Headword | 9-gon |
| Language | English |
| Part of speech | Noun |
| Letters | 5 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “9-gon” sits in English frequency
Rare enough to double-check
9-gon is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Synonym of enneagon: A polygon with nine sides; a nonagon.".
No misspelling variants are generated for 9-gon in our index, since its letter pattern doesn't lend itself to common typo substitutions. 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 9 + -gon. The correct English form is 9-gon, spelled 9---G-O-N.
Definition
- 1Synonym of enneagon: A polygon with nine sides; a nonagon.
Etymology
From 9 + -gon.
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 “9-gon”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is 9---G-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.