12-gon

noun

"12-gon" is a 3-letter English headword indexed on PlainSpell.

The verdict

“12-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
6
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Synonym of dodecagon: A polygon with twelve edges and twelve angles.

Corpus desk

Index EN-12-gon · 12-gon · English

12-gon · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 6 letters
  • VOW-1 1 vowel
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "1" thin
  • PHOTO-UNK Peer pending

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.

Key facts for 12-gon
PropertyValue
Headword12-gon
LanguageEnglish
Part of speechNoun
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “12-gon” in English

12-gonranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

12-gon is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Synonym of dodecagon: A polygon with twelve edges and twelve angles.".

No generated misspelling entries exist for 12-gon in our index, typically a sign the spelling maps closely to how the word sounds. Our dataset records no confusable match here, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From 12 + -gon. The correct English form is 12-gon, spelled 1-2---G-O-N.

Definition

  1. 1
    Synonym of dodecagon: A polygon with twelve edges and twelve angles.

Etymology

From 12 + -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

How do you spell "12-gon"?
"12-gon" is spelled 1-2---G-O-N.
What does "12-gon" mean?
As a noun, "12-gon" means: Synonym of dodecagon: A polygon with twelve edges and twelve angles.
What is the origin of the word "12-gon"?
From 12 + -gon. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list