PlanckvsplanerTell them apart

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

Which to use

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

#15,968
“Planck” frequency rank
#19,672
“planer” frequency rank
35640
confusion score

Side-by-Side Comparison

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

Letter map: Planck vs planer

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

6 ch
Planck
6 ch
planer

Grammar separator: Planck vs planer

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Planck is aname and planeranadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 35640, derived from the frequency rank of both members and their visual similarity.

Planck is recorded at frequency rank #15,968, classified as aname, pronounced […]. planer is at rank #19,672, tagged as anadj, pronounced [ˈplaːnɐ].

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 35640, this pair ranks #1,635,171 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

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

  • Plancklpanck · palnck · placnk · plancck · planckk · plankc · plannck · pllanck
  • planerlpaner · palner · plaenr · planerr · planner · planre · pllaner · plnaer

Frequently Asked Questions

Can "Planck" and "planer" be used interchangeably?
No - they are not even the same part of speech. "Planck" is a name and "planer" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Planck" or "planer"?
"Planck" is the more common of the two: it sits at frequency rank #15,968 in our German list, against #19,672 for "planer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "Planck" vs "planer" 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 "planer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,635,171 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Planck" and "planer" also get mixed up with nearby pairs, the highest-scored neighbour is "planer 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 #1,635,171 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