let know
"let-know" is a 7-letter English headword indexed on PlainSpell.
The verdict
“let know” is outside the top-ranked English vocabulary, used as a verb - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 8
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To inform (someone) (of something).
| Property | Value |
|---|---|
| Headword | let know |
| Language | English |
| Part of speech | Verb |
| Letters | 8 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “let know” sits in English frequency
Spelling & Dictionary Insight
The English entry for let know is 8 letters long, classified as a verb. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "To inform (someone) (of something).".
Our edit-distance generator produced no likely misspellings for let know, which points to an orthography that plays by predictable English rules. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
This entry carries no recorded etymology, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is let know, spelled L-E-T- -K-N-O-W.
Definition
- 1To inform (someone) (of something).
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "let know"?
What does "let know" mean?
What language does "let know" come from?
Is PlainSpell free to use?
Using “let know”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is L-E-T- -K-N-O-W - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
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.