planéité

\pla.ne.i.te\

/\pla.ne.i.te\/ noun

The verdict

“planéité” is uncommon French (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency French
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Fait d'être plan.

Corpus desk

Index FR-planeite · planéité · French

planéité · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "P" thin
  • PHOTO-UNK Peer pending

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.

Key facts for planéité
PropertyValue
Headwordplanéité
LanguageFrench
Part of speechNoun
IPA\pla.ne.i.te\
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « planéité » en français

planéitén'entre pas dans le top 100.000 du français: zone de termes techniques, archaïques ou rares.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

planéité is uncommon French outside the top frequency list, classed as anoun, transcribed \pla.ne.i.te\. Rarity is why readers land here mid-draft. Gloss: "Fait d'être plan.".

planéité doesn't appear in our generated misspelling index, and the word's spelling is regular enough that our generator found nothing worth flagging. No close-neighbour confusable shows up for this headword in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Our source data has no etymology on file for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct French form is planéité, spelled P-L-A-N-É-I-T-É.

Definition

  1. 1
    Fait d'être plan.

Recorded use

Wiktionary examples

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

  1. […] ; on donne un coup de rouleau de gélatine pour obtenir une planéité parfaite, on laisse sécher et on collodionne avec un collodion à 3 % légèrement riciné […].
  2. De la mousse poussait sur les murs et le toit de la gare, comme si la lande avait décidé de digérer cette excroissance qui troublait la planéité de sa géographie.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "planéité"?
"planéité" is spelled P-L-A-N-É-I-T-É. The IPA pronunciation is \pla.ne.i.te\.
What does "planéité" mean?
As a noun, "planéité" means: Fait d'être plan.
How do you pronounce "planéité"?
The IPA (International Phonetic Alphabet) transcription for "planéité" is \pla.ne.i.te\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "planéité" come from?
"planéité" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

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

Source: FrequencyWords open word-frequency list