octo

\ˈok.to\

/\ˈok.to\/ adj

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“octo” is uncommon French (frequency #68,514 among 1,642 “O” headwords), classed as an adjective. The kind of spelling people second-guess.

#68,514
frequency rank, French
1,642
“O” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Huit.

Corpus desk

Index FR-octo · octo · French

octo · rank #68,514 · 0 variants · 0 confusables

  • FREQ-RARE #68,514
  • LEN-MID 4 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,642
  • PHOTO-FINISH obusiers

Nearest frequency peer: obusiers (-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 « octo »

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 « octo » se situe face à des rangs français aussi rares.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for octo
PropertyValue
Headwordocto
LanguageFrench
Part of speechAdjective
IPA\ˈok.to\
Letters4
Frequency rank#68,514
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « octo » en français

Cette échelle va du noyau du français courant (gauche) jusqu'à la traîne des formes rares (droite).octotombe dans cette queue de rareté:

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

Les tics avancent en logarithme; chacun est de l'ordre de dix fois plus rare. Voisins rares de la même bande: « obusiers » (#68,513), « oblongue » (#68,512), « oisifs » (#68,516). Parmi 1,642 lemmes en « O », « octo » est au #68,514. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

octo is uncommon French at frequency #68,514 among 1,642 “O” headwords, classed as anadjective, transcribed \ˈok.to\. Rarity is why readers land here mid-draft. Gloss: "Huit.".

octo has no tracked misspelling variants, 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.

No borrowing history is documented for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct French form is octo, spelled O-C-T-O.

Definition

  1. 1
    Huit.

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 "octo"?
"octo" is spelled O-C-T-O. The IPA pronunciation is \ˈok.to\.
What does "octo" mean?
As an adjective, "octo" means: Huit.
How do you pronounce "octo"?
The IPA (International Phonetic Alphabet) transcription for "octo" is \ˈok.to\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "octo" come from?
"octo" is a French word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 "octo", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 4 letters (nearest by frequency rank).

Oahu#68,511nunc#68,510palu#68,529phra#68,542

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

Source: FrequencyWords open word-frequency list