let in

verb

"let-in" is a 5-letter English headword indexed on PlainSpell.

The verdict

“let in” 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
6
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To let someone or something come in; to admit someone or something in.

Key facts for let in
PropertyValue
Headwordlet in
LanguageEnglish
Part of speechVerb
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “let in” sits in English frequency

let in falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for let in is 6 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. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.

Our edit-distance generator produced no likely misspellings for let in, which points to an orthography that plays by predictable English rules. Our dataset records no confusable match here, since its spelling is unusual enough that it doesn't cluster with a lookalike.

This entry carries no recorded etymology, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is let in, spelled L-E-T- -I-N.

Definition

  1. 1
    To let someone or something come in; to admit someone or something in.
  2. 2
    To let someone or something come in; to admit someone or something in.
  3. 3
    To associate with.
  4. 4
    To cheat or victimize.

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 in"?
"let in" is spelled L-E-T- -I-N.
What does "let in" mean?
As a verb, "let in" means: To let someone or something come in; to admit someone or something in.
What language does "let in" come from?
"let in" 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.

Using “let in”

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

  • The one correct English spelling is L-E-T- -I-N - 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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list