Which to use
“Planck” is a name and “planer” is a verb - they look or sound alike but fill different roles in a sentence.
- #41,960
- “Planck” frequency rank
- #19,368
- “planer” frequency rank
- 61328
- confusion score
Side-by-Side Comparison
| Feature | Planck | planer |
|---|---|---|
| Definition | Nom de famille. | Se soutenir en l’air, les ailes étendues et immobiles, en parlant des oiseaux. |
Where the eye mixes Planck and planer
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Look-alike desk: Planck vs planer
These two trip readers on the page rather than in the ear: Planck is \plɑ̃k\ while planer is \pla.ne\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (name vs verb), which is usually the fastest check. Our composite confusion score for this pair is 61328, derived from the frequency rank of both members and their visual similarity.
Planck is recorded at frequency rank #41,960, classified as aname, pronounced \plɑ̃k\. planer is at rank #19,368, tagged as averb, pronounced \pla.ne\.
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 61328, this pair ranks #92,851 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of Planck vs planer
Shared letters: alnp. Private to "Planck": ck. Private to "planer": er.
"Planck" · 6 letters · shape CCVCCC · "planer" · 6 letters · shape CCVCVC
Known mistypes of this pair
Frequently Asked Questions
Can "Planck" and "planer" be used interchangeably?
Which is more common, "Planck" or "planer"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "Planck" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "planer" - compare definitions side by side with the headword page. Word entry
- This pair ranks #92,851 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "Planck" and "planer" also get mixed up with nearby pairs, the highest-scored neighbour is "Planck 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 #92,851 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.