Lamarck

/ləˈmɑː(ɹ)k/

//ləˈmɑː(ɹ)k// name

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

"lamarck" is a 7-letter English headword indexed on PlainSpell.

The verdict

“Lamarck” is uncommon English (frequency #72,480 among 2,297 “L” headwords), classed as a proper noun. The kind of spelling people second-guess.

#72,480
frequency rank, English
2,297
“L” headwords

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

Corpus desk

Index EN-lamarck · Lamarck · English

Lamarck · rank #72,480 · 0 variants · 0 confusables

  • FREQ-RARE #72,480
  • LEN-LONG 7 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,297
  • PHOTO-FINISH Kyaw

Nearest frequency peer: Kyaw (-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.

Long-tail ranks near “Lamarck”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “Lamarck” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for Lamarck
PropertyValue
HeadwordLamarck
LanguageEnglish
Part of speechProper noun
IPA/ləˈmɑː(ɹ)k/
Letters7
Frequency rank#72,480
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “Lamarck” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).Lamarckfalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “Kyaw” (#72,479), “kosmos” (#72,477), “Lautner” (#72,483). Among 2,297 “L” headwords, “Lamarck” is #72,480. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Lamarck is uncommon English at frequency #72,480 among 2,297 “L” headwords, classed as aproper noun, transcribed /ləˈmɑː(ɹ)k/. Rarity is why readers land here mid-draft. Gloss: "A surname.".

We couldn't generate a plausible misspelling set for Lamarck, since its letter sequence doesn't invite the usual edit-distance slips. This headword has no recorded confusable partner, which typically means the spelling is too distinctive to be mistaken for another word.

This headword's origin isn't recorded in our source data, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is Lamarck, spelled L-A-M-A-R-C-K.

Definition

  1. 1
    A surname.

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 "Lamarck"?
"Lamarck" is spelled L-A-M-A-R-C-K. The IPA pronunciation is /ləˈmɑː(ɹ)k/.
What does "Lamarck" mean?
As a proper noun, "Lamarck" means: A surname.
How do you pronounce "Lamarck"?
The IPA (International Phonetic Alphabet) transcription for "Lamarck" is /ləˈmɑː(ɹ)k/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Lamarck" come from?
"Lamarck" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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 "Lamarck", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

Lautner#72,483Kidston#72,464Lisette#72,496Livesey#72,498

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

Source: FrequencyWords open word-frequency list