knocker

noun

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

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

The verdict

“knocker” is uncommon English (frequency #63,028 among 1,236 “K” headwords), classed as a noun. The kind of spelling people second-guess.

#63,028
frequency rank, English
1,236
“K” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A device, usually hinged with a striking plate, used for knocking on a door.

Corpus desk

Index EN-knocker · knocker · English

knocker · rank #63,028 · 0 variants · 0 confusables

  • FREQ-RARE #63,028
  • LEN-LONG 7 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,236
  • PHOTO-FINISH Kosta

Nearest frequency peer: Kosta (+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 “knocker”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for knocker
PropertyValue
Headwordknocker
LanguageEnglish
Part of speechNoun
Letters7
Frequency rank#63,028
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “knocker” 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).knockerfalls in this rarity band:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “Kosta” (#63,029), “kettlebell” (#63,025), “ketch” (#63,024). Among 1,236 “K” headwords, “knocker” is #63,028. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

knocker is uncommon English at frequency #63,028 among 1,236 “K” headwords, classed as anoun. Rarity is why readers land here mid-draft. 13 senses are on record.

knocker has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. We don't track a confusable pairing for this entry, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From knock + -er. The correct English form is knocker, spelled K-N-O-C-K-E-R.

Definition

  1. 1
    A device, usually hinged with a striking plate, used for knocking on a door.
  2. 2
    A person who knocks.
  3. 3
    A critic; one who disparages.
  4. 4
    A person who knocks (denigrates) something.
  5. 5
    A person's breast, especially if large.
  6. 6
    A dwarf, goblin, or sprite imagined to dwell in mines and to indicate the presence of ore by knocking.
  7. 7
    A mechanical device in a pinball table that produces a loud percussive noise.
  8. 8
    A person who is strikingly handsome or otherwise admirable; a stunner.
  9. 9
    A large cockroach, especially Blaberus giganteus, of semitropical America, which is able to produce a loud knocking sound.
  10. 10
    A large, boulder-shaped outcrop of bedrock in an otherwise low-lying landscape, chiefly associated with a mélange.
  11. 11
    One who defaults on payment of a wager.
  12. 12
    A gun.
  13. 13
    An undercover policeman.

Recorded use

Wiktionary examples

These source excerpts show how knocker appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Knockers in this part of the world seem intended for ornament only, — nobody seems to pay any attention to them when they’re used.
  2. His tongue became a staircase, his uvula the knocker / Of an ornate wooden door that led me straight into my future

Etymology

From knock + -er.

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 "knocker"?
"knocker" is spelled K-N-O-C-K-E-R.
What does "knocker" mean?
As a noun, "knocker" means: A device, usually hinged with a striking plate, used for knocking on a door.
What is the origin of the word "knocker"?
From knock + -er. 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 "knocker", not the corpus desk frequency band.

Same letter count

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

Kashgar#63,019lumping#63,058masseur#63,071Mathura#63,072

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

Source: FrequencyWords open word-frequency list