LMK

phrase

"lmk" is a 3-letter English headword indexed on PlainSpell.

The verdict

“LMK” is uncommon English (frequency #75,161 among 16,425 “L” headwords), classed as a phrase. The kind of spelling people second-guess.

#75,161
frequency rank, English
16,425
“L” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Initialism of let me know.

Key facts for LMK
PropertyValue
HeadwordLMK
LanguageEnglish
Part of speechPhrase
Letters3
Frequency rank#75,161
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “LMK” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). LMK lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

LMK is uncommon English at frequency #75,161 among 16,425 “L” headwords, classed as aphrase. Rarity is why readers land here mid-draft. Gloss: "Initialism of let me know.".

LMK doesn't appear in our generated misspelling index, suggesting the orthography follows predictable English patterns. We don't track a confusable pairing for this entry, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Wiktionary doesn't record an etymology for this headword, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct English form is LMK, spelled L-M-K.

Definition

  1. 1
    Initialism of let me know.

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 "LMK"?
"LMK" is spelled L-M-K.
What does "LMK" mean?
As a phrase, "LMK" means: Initialism of let me know.
What language does "LMK" come from?
"LMK" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

Using “LMK”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is L-M-K - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list