PCA

noun

The verdict

“PCA” is uncommon French (frequency #70,092 among 6,826 “P” headwords), classed as a noun. The kind of spelling people second-guess.

#70,092
frequency rank, French
6,826
“P” headwords

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

Corpus desk

Index FR-pca · PCA · French

PCA · rank #70,092 · 0 variants · 0 confusables

  • FREQ-RARE #70,092
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,826
  • PHOTO-FINISH Payerne

Nearest frequency peer: Payerne (-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 « PCA »

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for PCA
PropertyValue
HeadwordPCA
LanguageFrench
Part of speechNoun
Letters3
Frequency rank#70,092
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « PCA » en français

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

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

L'échelle est logarithmique (chaque tic ≈ 10× plus rare). Voisins rares de la même bande: « Payerne » (#70,091), « pectoral » (#70,093), « payerez » (#70,090). Parmi 6,826 lemmes en « P », « PCA » est au #70,092. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

PCA is uncommon French at frequency #70,092 among 6,826 “P” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Pyrazone.".

Zero misspellings are on record for PCA in our index, since its letter pattern doesn't lend itself to common typo substitutions. No confusable counterpart is on file for this word, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

No explicit etymology string is stored for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is PCA, spelled P-C-A.

Definition

  1. 1
    Pyrazone.

Recorded use

Wiktionary example

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

  1. Les auteurs poursuivant leurs études concernant les possibilités d'application de désherbants chimiques sélectifs en culture de betterave industrielle relatent les résultats qu'ils ont obtenus en utilisant dans ce but le chloro-amino-phénylpyridazone (PCA) associé ou non à la cyclo-octyl-diméthylurée (OMU).

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 "PCA"?
"PCA" is spelled P-C-A.
What does "PCA" mean?
As a noun, "PCA" means: Pyrazone.
What language does "PCA" come from?
"PCA" 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 "PCA", 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