planétairevsplantaireWhich spelling fits?

Which to use

“planétaire” and “plantaire” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#13,033
“planétaire” frequency rank
#45,230
“plantaire” frequency rank
58263
confusion score

Side-by-Side Comparison

Feature planétaire plantaire
Definition Qui appartient aux planètes, qui concerne les planètes. Qui concerne la plante des pieds.

Where the eye mixes planétaire and plantaire

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. planétaire runs 10 letters (CCVCVCVVCV) against plantaire's 9 (CCVCCVVCV) - the length gap alone is often enough to separate them once you know to check it.

10 ch
planétaire
9 ch
plantaire

Visual trap between planétaire and plantaire

A purely visual mix-up. planétaire (\pla.ne.tɛʁ\) and plantaire (\plɑ̃.tɛʁ\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 58263, derived from the frequency rank of both members and their visual similarity.

planétaire is recorded at frequency rank #13,033, classified as anadj, pronounced \pla.ne.tɛʁ\. plantaire is at rank #45,230, tagged as anadj, pronounced \plɑ̃.tɛʁ\.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 58263, this pair ranks #110,077 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of planétaire vs plantaire

Shared letters: aeilnprt. Private to "planétaire": é. Private to "plantaire": -.

"planétaire" · 10 letters · shape CCVCVCVVCV  ·  "plantaire" · 9 letters · shape CCVCCVVCV

Known mistypes of this pair

  • plantaire ← lpantaire · palntaire · planatire · planntaire · plantaier · plantairre · plantarie · plantiare

Frequently Asked Questions

Is swapping "planétaire" for "plantaire" ever safe?
No. They are said differently (\pla.ne.tɛʁ\ versus \plɑ̃.tɛʁ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "planétaire" or "plantaire"?
"planétaire" is the more common of the two: it sits at frequency rank #13,033 in our French list, against #45,230 for "plantaire". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "planétaire" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "plantaire" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #110,077 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "planétaire" and "plantaire" also get mixed up with nearby pairs, the highest-scored neighbour is "plantain vs plantaire". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #110,077 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list