ARRCO

\aʁ.ko\

/\aʁ.ko\/ noun

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

The verdict

“ARRCO” is uncommon French (frequency #63,526 among 424,905 “A” headwords), classed as a noun. The kind of spelling people second-guess.

#63,526
frequency rank, French
424,905
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Régime de retraite complémentaire de tous les salariés du secteur privé, quel que soit leur statut (cadre, intermittent, apprenti…) ou la nature et la durée de leur contrat de travail (CDD, CDI…).

Key facts for ARRCO
PropertyValue
HeadwordARRCO
LanguageFrench
Part of speechNoun
IPA\aʁ.ko\
Letters5
Frequency rank#63,526
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “ARRCO” sits in French frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). ARRCO lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

ARRCO is uncommon French at frequency #63,526 among 424,905 “A” headwords, classed as anoun, transcribed \aʁ.ko\. Rarity is why readers land here mid-draft. Gloss: "Régime de retraite complémentaire de tous les salariés du secteur privé, quel que soit leur statut (cadre, intermittent, apprenti…) ou la nature et la durée de leur contrat de travail (CDD, CDI…).".

No misspelling variants are generated for ARRCO in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. Our confusable-pair dataset has no match for it, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Wiktionary doesn't record an etymology for this headword, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is ARRCO, spelled A-R-R-C-O.

Definition

  1. 1
    Régime de retraite complémentaire de tous les salariés du secteur privé, quel que soit leur statut (cadre, intermittent, apprenti…) ou la nature et la durée de leur contrat de travail (CDD, CDI…).

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 "ARRCO"?
"ARRCO" is spelled A-R-R-C-O. The IPA pronunciation is \aʁ.ko\.
What does "ARRCO" mean?
As a noun, "ARRCO" means: Régime de retraite complémentaire de tous les salariés du secteur privé, quel que soit leur statut (cadre, intermittent, apprenti…) ou la nature et la durée de leur contrat de travail (CDD, CDI…).
How do you pronounce "ARRCO"?
The IPA (International Phonetic Alphabet) transcription for "ARRCO" is \aʁ.ko\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "ARRCO" come from?
"ARRCO" 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.

Using “ARRCO”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct French spelling is A-R-R-C-O - every other letter order is a misspelling in standard orthography.
  • Say it as \aʁ.ko\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more French words and confusable pairs in the same reference. French words

Other uncommon French words near this rank

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