planesvsplansTell them apart

Quick tell: planes is a noun, plans is an adjective, so they fill different roles in a sentence.

Which to use

“planes” is a noun and “plans” is an adjective - they look or sound alike but fill different roles in a sentence.

#32,958
“planes” frequency rank
#1,929
“plans” frequency rank
34887
confusion score

Side-by-Side Comparison

Feature planes plans
Definition Pluriel de plane. Masculin pluriel de plan.

Where the eye mixes planes and plans

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
planes
5 ch
plans

Why the eye confuses planes with plans

These two trip readers on the page rather than in the ear: planes is \plan\ while plans is \plɑ̃\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 34887, derived from the frequency rank of both members and their visual similarity.

planes is recorded at frequency rank #32,958, classified as anoun, pronounced \plan\. plans is at rank #1,929, tagged as anadj, pronounced \plɑ̃\.

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 34887, this pair ranks #280,668 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of planes vs plans

Shared letters: alnps. Private to "planes": e. Private to "plans": -.

"planes" · 6 letters · shape CCVCVC  ·  "plans" · 5 letters · shape CCVCC

Known mistypes of this pair

  • planeslpanes · palnes · plaens · planess · plannes · planse · pllanes · plnaes
  • planslpans · palns · planns · planss · plasn · pllans · plnas · pplans

Frequently Asked Questions

Can "planes" and "plans" be used interchangeably?
No - they are not even the same part of speech. "planes" is a noun and "plans" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "planes" vs "plans" - which ranks higher?
"plans" is the more common of the two: it sits at frequency rank #1,929 in our French list, against #32,958 for "planes". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "planes" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "plans" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #280,668 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "planes" and "plans" also get mixed up with nearby pairs, the highest-scored neighbour is "palaces vs planes". 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 #280,668 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