co

\ko\

/\ko\/ noun

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

The verdict

“co” sits in 20 confusable pairs (corpus #1,856) as a noun. The look-alike neighbours are the real trap.

#1,856
frequency rank, French
8,609
“C” headwords
20
confusable pairs

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

Corpus desk

Index FR-co · co · French

co · rank #1,856 · 0 variants · 20 confusables

  • FREQ-COMMON #1,856
  • LEN-SHORT 2 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-DENSE 8,609
  • PHOTO-FINISH chefs

Nearest frequency peer: chefs (-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.

Frequency neighbourhood for “co”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “co” sits against the nearest ranked French headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

co vs CV
0% similar
co vs Ct
0% similar
co vs CP
0% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for co
PropertyValue
Headwordco
LanguageFrench
Part of speechNoun
IPA\ko\
Letters2
Frequency rank#1,856
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Où “co” se place dans la fréquence du français

De gauche à droite: le peu qui porte la parole quotidienne, puis la longue queue quasi invisible.cose place ici:

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

L'échelle est logarithmique (chaque tic ≈ 10× plus rare). Dans la même bande de rareté figurent « chefs » (#1,855), « colère » (#1,857), « cent » (#1,854). Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for co is neighbouring look-alikes ("CV", "Ct", …), not just typos; it is anoun pronounced \ko\. Frequency #1,856 among 8,609 “C” headwords. Gloss: "Connexion.".

No generated misspelling entries exist for co in our index, suggesting the orthography follows predictable French patterns. It also participates in 20 confusable-pair relationships, "CV", "Ct", "CP", and more, where similar look or sound leads writers to substitute one word for another in context.

No borrowing history is documented for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is co, spelled C-O.

Definition

  1. 1
    Connexion.

Recorded use

Wiktionary examples

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

  1. Alors en gros ma co se coupe sans aucune raison apparente : je suis relié en ethernet via un switch qui est lui même connecté sur la box.
  2. Bon, ma co a un enorme problème, mon OBS est bridé à 3000Kb/s alors que ca devrait etre 6k, enormes drops d'un coup, ca me tilte jpense que jvais arreter la pour ce soir (+50k en vrai)

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 "co"?
"co" is spelled C-O. The IPA pronunciation is \ko\.
What does "co" mean?
As a noun, "co" means: Connexion.
What words are commonly confused with "co"?
"co" is commonly confused with "CV", "Ct", "CP". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "co"?
The IPA (International Phonetic Alphabet) transcription for "co" is \ko\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "co" come from?
"co" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

What to do next

You've looked up "co". Here's where to go from here.

  • "co" maps to 20 confusable pairs in this vintage; the highest-scored is "CV". View pair
  • Usage frequency rank #1,856 among French headwords in this corpus. Corpus statistics
  • Browse more French words in the "C" letter cohort. C–Z browse

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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.

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

Source: FrequencyWords open word-frequency list