octogonal

\ɔk.tɔ.ɡɔ.nal\

/\ɔk.tɔ.ɡɔ.nal\/ adj

The verdict

“octogonal” is uncommon French (frequency #81,401 among 1,642 “O” headwords), classed as an adjective. The kind of spelling people second-guess.

#81,401
frequency rank, French
1,642
“O” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Qui se rapporte à l’octogone ; qui a la forme d’un octogone.

Corpus desk

Index FR-octogonal · octogonal · French

octogonal · rank #81,401 · 0 variants · 0 confusables

  • FREQ-RARE #81,401
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,642
  • PHOTO-FINISH obstrue

Nearest frequency peer: obstrue (-1 rank slots)

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.

Rangs de longue queue près de « octogonal »

Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court

corpus weight

What this shows Vue de longue queue: où « octogonal » se situe face à des rangs français aussi rares.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for octogonal
PropertyValue
Headwordoctogonal
LanguageFrench
Part of speechAdjective
IPA\ɔk.tɔ.ɡɔ.nal\
Letters9
Frequency rank#81,401
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « octogonal » en français

La fréquence va de la poignée de mots du quotidien (gauche) à la longue queue presque jamais vue (droite).octogonaltombe dans cette queue de rareté:

#1#100#1K#10K#100K
← used constantlyrarely used →

L'axe est logarithmique: chaque tic marque environ dix fois moins de fréquence. Voisins rares de la même bande: « obstrue » (#81,400), « obstinés » (#81,399), « offusquée » (#81,403). Parmi 1,642 lemmes en « O », « octogonal » est au #81,401. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

octogonal is uncommon French at frequency #81,401 among 1,642 “O” headwords, classed as anadjective, transcribed \ɔk.tɔ.ɡɔ.nal\. Rarity is why readers land here mid-draft. Gloss: "Qui se rapporte à l’octogone ; qui a la forme d’un octogone.".

Zero misspellings are on record for octogonal in our index, suggesting the orthography follows predictable French patterns. No close-neighbour confusable shows up for this headword in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.

This entry's etymology isn't recorded, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct French form is octogonal, spelled O-C-T-O-G-O-N-A-L.

Definition

  1. 1
    Qui se rapporte à l’octogone ; qui a la forme d’un octogone.

Recorded use

Wiktionary examples

These source excerpts show how octogonal appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Au centre, entre les Dômes, la Renommée embouchait sa trompette et lançait un grand jet vers le ciel, dans une cuve octogonale entourée d’une balustrade circulaire.
  2. Victor Horta trouve dans le hall octogonal de l'hôtel Tassel une solution élégante au problème posé par l’encombrement des radiateurs.

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 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "octogonal"?
"octogonal" is spelled O-C-T-O-G-O-N-A-L. The IPA pronunciation is \ɔk.tɔ.ɡɔ.nal\.
What does "octogonal" mean?
As an adjective, "octogonal" means: Qui se rapporte à l’octogone ; qui a la forme d’un octogone.
How do you pronounce "octogonal"?
The IPA (International Phonetic Alphabet) transcription for "octogonal" is \ɔk.tɔ.ɡɔ.nal\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "octogonal" come from?
"octogonal" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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.

Similar French words by spelling shape

Same letter count and similar misspelling depth for "octogonal", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 9 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list