Lipschitz

adj

"lipschitz" is a 9-letter English headword indexed on PlainSpell.

The verdict

“Lipschitz” is uncommon English (frequency #77,867 among 2,297 “L” headwords), classed as an adjective. The kind of spelling people second-guess.

#77,867
frequency rank, English
2,297
“L” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - (Of a real-valued real function f) Such that there exists a constant K such that whenever x_1 and x_2 are in the domain of f, |f(x_1)-f(x_2)|≤K|x_1-x_2|.

Corpus desk

Index EN-lipschitz · Lipschitz · English

Lipschitz · rank #77,867 · 0 variants · 0 confusables

  • FREQ-RARE #77,867
  • LEN-LONG 9 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,297
  • PHOTO-FINISH Lindquist

Nearest frequency peer: Lindquist (-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 “Lipschitz”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for Lipschitz
PropertyValue
HeadwordLipschitz
LanguageEnglish
Part of speechAdjective
Letters9
Frequency rank#77,867
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “Lipschitz” in English

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).Lipschitzfalls 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: “Lindquist” (#77,866), “LIGO” (#77,865), “Livorno” (#77,870). Among 2,297 “L” headwords, “Lipschitz” is #77,867. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Lipschitz is uncommon English at frequency #77,867 among 2,297 “L” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "(Of a real-valued real function f) Such that there exists a constant K such that whenever x_1 and x_2 are in the domain of f, |f(x_1)-f(x_2)|≤K|x_1-x_2|.".

We couldn't generate a plausible misspelling set for Lipschitz, suggesting the orthography follows predictable English patterns. This headword has no recorded confusable partner, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: Named after Rudolf Lipschitz. The correct English form is Lipschitz, spelled L-I-P-S-C-H-I-T-Z.

Definition

  1. 1
    (Of a real-valued real function f) Such that there exists a constant K such that whenever x_1 and x_2 are in the domain of f, |f(x_1)-f(x_2)|≤K|x_1-x_2|.

Etymology

Named after Rudolf Lipschitz.

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 "Lipschitz"?
"Lipschitz" is spelled L-I-P-S-C-H-I-T-Z.
What does "Lipschitz" mean?
As an adjective, "Lipschitz" means: (Of a real-valued real function f) Such that there exists a constant K such that whenever x_1 and x_2 are in the domain of f, |f(x_1)-f(x_2)|≤K|x_1-x_2|.
What is the origin of the word "Lipschitz"?
Named after Rudolf Lipschitz. 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 "Lipschitz", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list