PlanckvsplanesConfusable pair

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

Which to use

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

#15,968
“Planck” frequency rank
#45,514
“planes” frequency rank
61482
confusion score

Side-by-Side Comparison

Feature Planck planes
Definition deutscher Nachname, Familienname Nominativ Singular Neutrum der starken Deklination des Positivs des Adjektivs plan

Letter map: Planck vs planes

Shared letters muted; letters that set Planck and planes apart highlighted. Shared run: 4.

6 ch
Planck
6 ch
planes

Role in the sentence - Planck and planes

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Planck is aname and planesanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 61482, derived from the frequency rank of both members and their visual similarity.

Planck is recorded at frequency rank #15,968, classified as aname, pronounced […]. planes is at rank #45,514, tagged as anadj, pronounced [ˈplaːnəs].

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 61482, this pair ranks #748,134 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Planck vs planes

Shared letters: alnp. Private to "Planck": ck. Private to "planes": es.

"Planck" · 6 letters · shape CCVCCC  ·  "planes" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • Plancklpanck · palnck · placnk · plancck · planckk · plankc · plannck · pllanck
  • planeslpanes · palnes · plaens · planess · plannes · planse · pllanes · plnaes

Frequently Asked Questions

Is swapping "Planck" for "planes" ever safe?
No - they are not even the same part of speech. "Planck" is a name and "planes" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Planck" vs "planes" - which ranks higher?
"Planck" is the more common of the two: it sits at frequency rank #15,968 in our German list, against #45,514 for "planes". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "Planck" vs "planes" is on the table, pick a follow-up below.

  • Full dictionary entry for "Planck" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "planes" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #748,134 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Planck" and "planes" also get mixed up with nearby pairs, the highest-scored neighbour is "planes vs plants". 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 #748,134 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list