CAH

noun

The verdict

“CAH” is uncommon French (frequency #91,490 among 8,609 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#91,490
frequency rank, French
8,609
“C” headwords

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

Corpus desk

Index FR-cah · CAH · French

CAH · rank #91,490 · 0 variants · 0 confusables

  • FREQ-RARE #91,490
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 8,609
  • PHOTO-FINISH cageot

Nearest frequency peer: cageot (-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 « CAH »

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for CAH
PropertyValue
HeadwordCAH
LanguageFrench
Part of speechNoun
Letters3
Frequency rank#91,490
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « CAH » en français

La fréquence va de la poignée de mots du quotidien (gauche) à la longue queue presque jamais vue (droite).CAHtombe 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: « cageot » (#91,489), « cag » (#91,488), « Calatrava » (#91,492). Parmi 8,609 lemmes en « C », « CAH » est au #91,490. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

CAH is uncommon French at frequency #91,490 among 8,609 “C” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

Zero misspellings are on record for CAH in our index, which points to an orthography that plays by predictable French rules. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

No borrowing history is documented for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is CAH, spelled C-A-H.

Definition

  1. 1
    Complexe argilo-humique.
  2. 2
    Classification ascendante hiérarchique.

Recorded use

Wiktionary example

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

  1. Cette plante poussant sur les sols où il y a eu dissociation du CAH par les hydromorphismes avec libération d’Al⁺⁺⁺, de Fe⁺⁺⁺, et de nitrites, les productions végétales et animales de tels sols sont pathogènes pour l’homme et les animaux.

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 "CAH"?
"CAH" is spelled C-A-H.
What does "CAH" mean?
As a noun, "CAH" means: Complexe argilo-humique.
What language does "CAH" come from?
"CAH" 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 "CAH", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 3 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list