Planck

/plɑ(ː)ŋk/

//plɑ(ː)ŋk// name

By · According to Wiktionary data (CC BY-SA) ·

"planck" is a 6-letter English headword indexed on PlainSpell.

The verdict

“Planck” has 10 generated spelling variants in the English index at frequency #28,332. The variants make it a useful spelling check.

#28,332
frequency rank, English
4,417
“P” headwords
10
tracked misspellings
14
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A surname from German.

Corpus desk

Index EN-planck · Planck · English

Planck · rank #28,332 · 10 variants · 14 confusables

  • FREQ-MID #28,332
  • LEN-LONG 6 letters
  • VOW-1 1 vowel
  • CONFUS-MID 14 pairs
  • VAR-MID 10 variants
  • BOOK-MID 4,417
  • PHOTO-FINISH PKK

Nearest frequency peer: PKK (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rank peers near misspelling magnet “Planck”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “Planck” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

Planck vs plans
50% similar
Planck vs plant
50% similar
Planck vs plane
50% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for Planck
PropertyValue
HeadwordPlanck
LanguageEnglish
Part of speechProper noun
IPA/plɑ(ː)ŋk/
Letters6
Frequency rank#28,332
Misspellings tracked10
Confusable pairs14
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “Planck”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).Plancklands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “PKK” (#28,331), “poodle” (#28,333), “populism” (#28,334). Among 4,417 “P” headwords, “Planck” is #28,332. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 10 spelling variants around Planck (IPA /plɑ(ː)ŋk/), aproper noun. Corpus frequency is #28,332 among 4,417 “P” headwords. Dominant gloss: "A surname from German.".

Our generated misspelling index lists 10 likely wrong-spelling variants for Planck, with forms such as "lpanck", "palnck", and "placnk". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 14 confusable-pair relationships, "plans", "plant", "plane", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: Borrowed from German Planck. The correct English form is Planck, spelled P-L-A-N-C-K.

Definition

  1. 1
    A surname from German.

Recorded use

Wiktionary example

These source excerpts show how Planck appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. As Dr. Feynman noted, there are still shorter scales of time and distance to go before we reach the ultimate limits imposed by quantum physics: the Planck length, 10^-33 of a centimeter, and the Planck time, 10^-43 of a second. Both are named for the German physicist Max Planck, who made the breakthrough that led to quantum mechanics.

Etymology

Borrowed from German Planck.

This word in other languages

Planck(Français)

Common misspellings

Also misspelled as:

  • lpanck
  • palnck
  • placnk
  • plancck
  • planckk
  • plankc
  • plannck
  • pllanck
  • plnack
  • pplanck

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of Planck - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

lpanck2palnck2placnk2plancck1planckk1plankc2plannck1pllanck1
Edit distance from "Planck"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Planck"?
"Planck" is spelled P-L-A-N-C-K. The IPA pronunciation is /plɑ(ː)ŋk/.
What does "Planck" mean?
As a proper noun, "Planck" means: A surname from German.
What words are commonly confused with "Planck"?
"Planck" is commonly confused with "plans", "plant", "plane". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "Planck"?
The IPA (International Phonetic Alphabet) transcription for "Planck" is /plɑ(ː)ŋk/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "Planck"?
Borrowed from German Planck. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "Planck", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

poodle#28,333papacy#28,320panned#28,319Osiris#28,314

Similar misspelling depth

Headwords with a similar count of attested misspellings (10 here; floor ≥5).

relayed10 variantsnegroes10 variantsnailing10 variantsmythic10 variants

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

Source: FrequencyWords open word-frequency list