knock
Definition, pronunciation, etymology, and usage for the English word. Free spelling reference powered by Wiktionary.
Letters
5 characters
Language
English
word origin
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Detailed reference entry for the English word "knock", 5-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Hunspell error dictionaries, and usage frequency ranked against the top 100,000 English words in the Wordfreq corpus. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "knock" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "knock" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.
knock is aEnglishnoun. It means: An abrupt rapping sound, as from an impact of a hard object against wood. Pronounced /nɒk/. It ranks #3,956 in English word frequency. Often confused with Kok and know.
| Property | Value |
|---|---|
| Headword | knock |
| Language | English |
| Part of speech | Noun |
| IPA | /nɒk/ |
| Letters | 5 |
| Frequency rank | #3,956 |
| Misspellings tracked | 8 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Frequency rank visualization
Spelling & Dictionary Insight
The English entry for knock is 5 letters long, classified as anoun, and transcribed in the International Phonetic Alphabet as /nɒk/. Corpus data places it at rank #3,956 in overall English word frequency, indicating it appears regularly in written and spoken text.Wiktionary records 8 distinct senses for this headword, so context determines which meaning a reader should apply.
Our Hunspell-derived misspelling index lists 8 documented wrong-spelling variants for knock, with forms such as "kknock", "kncok", and "knnock". Each variant represents a distinct typo pattern that appears often enough in corpora to be worth flagging, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution.It also participates in 20 confusable-pair relationships, "Kok", "know", "Knox", and more, where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: From Middle English knokken, from Old English cnocian, ġecnocian, ġecnucian, cnucian (“to knock, pound on, beat”), from Proto-West Germanic *knokōn, from Proto-Germanic *knukōną (“to knock”), a suffixed form of *knu-, *knew- (“to pound on, beat”), from Prot… Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is knock, spelled K-N-O-C-K, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.
Definition
- 1An abrupt rapping sound, as from an impact of a hard object against wood.
- 2A sharp impact.
- 3A criticism.
- 4A blow or setback.
- 5Preignition, a type of abnormal combustion occurring in spark ignition engines caused by self-ignition; also, the characteristic knocking sound associated with it.
- 6A batsman's innings.
- 7A ball hit into play, especially one that becomes a hit.
- 8Synonym of hunger knock.
Etymology
From Middle English knokken, from Old English cnocian, ġecnocian, ġecnucian, cnucian (“to knock, pound on, beat”), from Proto-West Germanic *knokōn, from Proto-Germanic *knukōną (“to knock”), a suffixed form of *knu-, *knew- (“to pound on, beat”), from Proto-Indo-European *gnew-, *gen- (“to squeeze, pinch, kink, ball up, concentrate”). The English word is cognate with Middle High German knochen (“to hit”), Old English cnuian, cnuwian (“to pound, knock”), Old Norse knoka (compare Danish knuge (“to squeeze”), Swedish knocka (“to hug”)).
This word in other languages
Common misspellings
Also misspelled as: kknock,kncok,knnock,knocck,knockk,knokc,konck,nkock
Misspelling Pattern Breakdown
Relative frequency of common misspelling types for knock
Misspelling Variants of "knock"
Frequency rank: #3,956 in English
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Nearby English words
Other entries that begin with the letter K in our English index: