knock-on effect
"knock-on-effect" is a 13-letter English headword indexed on PlainSpell.
The verdict
“knock-on effect” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 15
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A secondary, often unintended effect; a repercussion, chain reaction.
Corpus desk
Index EN-knock-on-effect · knock-on effect · English
knock-on effect · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 15 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "K" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | knock-on effect |
| Language | English |
| Part of speech | Noun |
| Letters | 15 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “knock-on effect” in English
Rare enough to double-check
knock-on effect is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A secondary, often unintended effect; a repercussion, chain reaction.".
The misspelling generator found no plausible variants for knock-on effect, a sign its spelling follows regular English conventions. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: knock-on + effect The correct English form is knock-on effect, spelled K-N-O-C-K---O-N- -E-F-F-E-C-T.
Definition
- 1A secondary, often unintended effect; a repercussion, chain reaction.
Recorded use
Wiktionary examplesThese source excerpts show how knock-on effect appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
If a coach arrives late, it has a knock-on effect on the entire coach station.
There are various knock-on effects [to the international boycott of the Palestinian government]. PA [Palestinian Authority] services, particularly health and education, have deteriorated sharply because of supply shortages and strikes by workers. Much of the time hospitals have been seeing only emergency cases.
Etymology
knock-on + effect
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.