PCA

noun

The verdict

“PCA” is uncommon French (frequency #70,092 among 248,534 “P” headwords), classed as a noun. The kind of spelling people second-guess.

#70,092
frequency rank, French
248,534
“P” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Pyrazone.

Key facts for PCA
PropertyValue
HeadwordPCA
LanguageFrench
Part of speechNoun
Letters3
Frequency rank#70,092
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “PCA” 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). PCA 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

PCA is uncommon French at frequency #70,092 among 248,534 “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.

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.

Using “PCA”

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

  • The one correct French spelling is P-C-A - every other letter order is a misspelling in standard orthography.
  • 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 FrequencyWords open word-frequency list