knockdown

noun

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

The verdict

“knockdown” has 15 generated spelling variants in the English index at frequency #38,006. The variants make it a useful spelling check.

#38,006
frequency rank, English
1,236
“K” headwords
15
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An act of knocking down or the condition of being knocked down.

Corpus desk

Index EN-knockdown · knockdown · English

knockdown · rank #38,006 · 15 variants · 0 confusables

  • FREQ-MID #38,006
  • LEN-LONG 9 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 15 variants
  • BOOK-MID 1,236
  • PHOTO-FINISH Kirkwood

Nearest frequency peer: Kirkwood (-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.

Rank peers near misspelling magnet “knockdown”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “knockdown” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for knockdown
PropertyValue
Headwordknockdown
LanguageEnglish
Part of speechNoun
Letters9
Frequency rank#38,006
Misspellings tracked15
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “knockdown”

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).knockdownlands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “Kirkwood” (#38,005), “Kinsey” (#38,004), “kor” (#38,008). Among 1,236 “K” headwords, “knockdown” is #38,006. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 15 spelling variants around knockdown, anoun. Corpus frequency is #38,006 among 1,236 “K” headwords. Wiktionary lists 9 senses, so context still picks the gloss.

Our generated misspelling index lists 15 likely wrong-spelling variants for knockdown, with forms such as "kknockdown", "kncokdown", and "knnockdown". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From knock + down. The correct English form is knockdown, spelled K-N-O-C-K-D-O-W-N.

Definition

  1. 1
    An act of knocking down or the condition of being knocked down.
  2. 2
    An overwhelming blow.
  3. 3
    Very strong ale or beer.
  4. 4
    A genetically modified organism that carries one or more genes in its chromosomes that have been made less active or had their expression reduced.
  5. 5
    The use of a reagent such as an oligonucleotide with sequence complementary to an active gene or its mRNA transcript, to interfere with the expression of said gene.
  6. 6
    The condition of a sailboat being pushed abruptly to horizontal, with the mast parallel to the water surface.
  7. 7
    a short pass played downwards, for example from the head onto someone's feet.
  8. 8
    A shelter erected for use as a temporary dressing room.
  9. 9
    A collection of parts required to assemble a product, typically manufactured in one region and exported elsewhere for assembly.

Recorded use

Wiktionary examples

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

  1. Pires, a three-time Cup winner with Arsenal who scored the Gunners' winner against Southampton in the 2003 final, has been a largely peripheral figure at Villa Park since joining in November - but the 37-year-old rolled back the years with a fine finish from Delfouneso's knockdown.
  2. We shot 'The Caterpillar' at General Service Studios, and the dressing rooms for the actors were what they call knockdowns: wooden frames covered in grungy, dirty red canvas. It looked like a circus tent.

Etymology

From knock + down.

Common misspellings

Also misspelled as:

  • kknockdown
  • kncokdown
  • knnockdown
  • knocckdown
  • knocdkown
  • knockddown
  • knockdonw
  • knockdownn
  • knockdowwn
  • knockdwon
  • knockkdown
  • knockodwn
  • knokcdown
  • konckdown
  • nkockdown

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of knockdown - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

kknockdown1kncokdown2knnockdown1knocckdown1knocdkown2knockddown1knockdonw2knockdownn1
Edit distance from "knockdown"

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 "knockdown"?
"knockdown" is spelled K-N-O-C-K-D-O-W-N.
What does "knockdown" mean?
As a noun, "knockdown" means: An act of knocking down or the condition of being knocked down.
What are common misspellings of "knockdown"?
Common misspellings include "kknockdown", "kncokdown", "knnockdown", "knocckdown", "knocdkown". The correct spelling is "knockdown".
What is the origin of the word "knockdown"?
From knock + down. 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 "knockdown", not the corpus desk frequency band.

Same letter count

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

Similar misspelling depth

Headwords with a similar count of attested misspellings (15 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list