crux

\kʁyks\

/\kʁyks\/ noun

The verdict

“crux” is an uncommon French word, ranked #93,648 in French word frequency and used as a noun.

#93,648
frequency rank, French
4
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Passage-clé, séquence de mouvements la plus difficile ou la plus aléatoire d'une voie d’escalade.

Key facts for crux
PropertyValue
Headwordcrux
LanguageFrench
Part of speechNoun
IPA\kʁyks\
Letters4
Frequency rank#93,648
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “crux” 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). crux lands here:

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

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

Spelling & Dictionary Insight

The French entry for crux is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \kʁyks\. Corpus data places it at rank #93,648 in overall French word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Passage-clé, séquence de mouvements la plus difficile ou la plus aléatoire d'une voie d’escalade.".

We couldn't generate a plausible misspelling set for crux, since its letter sequence doesn't invite the usual edit-distance slips. This entry stands alone in our confusable dataset, which typically means the spelling is too distinctive to be mistaken for another word.

Our source data has no etymology on file for this entry, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct French form is crux, spelled C-R-U-X.

Definition

  1. 1
    Passage-clé, séquence de mouvements la plus difficile ou la plus aléatoire d'une voie d’escalade.

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 "crux"?
"crux" is spelled C-R-U-X. The IPA pronunciation is \kʁyks\.
What does "crux" mean?
As a noun, "crux" means: Passage-clé, séquence de mouvements la plus difficile ou la plus aléatoire d'une voie d’escalade.
How do you pronounce "crux"?
The IPA (International Phonetic Alphabet) transcription for "crux" is \kʁyks\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "crux" come from?
"crux" 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 “crux”

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

  • The one correct French spelling is C-R-U-X - every other letter order is a misspelling in standard orthography.
  • Say it as \kʁyks\ (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
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