invariance

\ɛ̃.va.ʁjɑ̃s\

/\ɛ̃.va.ʁjɑ̃s\/ noun

The verdict

“invariance” is uncommon French (frequency #89,830 among 3,561 “I” headwords), classed as a noun. The kind of spelling people second-guess.

#89,830
frequency rank, French
3,561
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Qualité de ce qui est invariant, qui ne change pas.

Corpus desk

Index FR-invariance · invariance · French

invariance · rank #89,830 · 0 variants · 0 confusables

  • FREQ-RARE #89,830
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,561
  • PHOTO-FINISH intrusifs

Nearest frequency peer: intrusifs (-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 « invariance »

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for invariance
PropertyValue
Headwordinvariance
LanguageFrench
Part of speechNoun
IPA\ɛ̃.va.ʁjɑ̃s\
Letters10
Frequency rank#89,830
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « invariance » en français

La fréquence va de la poignée de mots du quotidien (gauche) à la longue queue presque jamais vue (droite).invariancetombe 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: « intrusifs » (#89,829), « inventorié » (#89,831), « interludes » (#89,828). Parmi 3,561 lemmes en « I », « invariance » est au #89,830. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

invariance is uncommon French at frequency #89,830 among 3,561 “I” headwords, classed as anoun, transcribed \ɛ̃.va.ʁjɑ̃s\. Rarity is why readers land here mid-draft. Gloss: "Qualité de ce qui est invariant, qui ne change pas.".

No generated misspelling entries exist for invariance in our index, since its letter sequence doesn't invite the usual edit-distance slips. No close-neighbour confusable shows up for this headword in our dataset, since no other headword is close enough in sound or shape to pair with it.

This entry carries no recorded etymology, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct French form is invariance, spelled I-N-V-A-R-I-A-N-C-E.

Definition

  1. 1
    Qualité de ce qui est invariant, qui ne change pas.

Recorded use

Wiktionary example

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

  1. Les Physiologues d'Ionie énoncent la loi d'invariance universelle :« Rien ne se crée, rien ne se perd », qui exclut l'idée de commencements absolus, de création ex nihilo, d'eschatologie finale sans périodique retour.

Synonyms

Antonyms

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 "invariance"?
"invariance" is spelled I-N-V-A-R-I-A-N-C-E. The IPA pronunciation is \ɛ̃.va.ʁjɑ̃s\.
What does "invariance" mean?
As a noun, "invariance" means: Qualité de ce qui est invariant, qui ne change pas.
How do you pronounce "invariance"?
The IPA (International Phonetic Alphabet) transcription for "invariance" is \ɛ̃.va.ʁjɑ̃s\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "invariance" come from?
"invariance" 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 "invariance", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 10 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list