rush hour
"rush-hour" is a 8-letter English headword indexed on PlainSpell.
The verdict
“rush hour” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The times of the day when traffic jams are commonplace, due mainly to people commuting to or from work.
| Property | Value |
|---|---|
| Headword | rush hour |
| Language | English |
| Part of speech | Noun |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “rush hour” sits in English frequency
Rare enough to double-check
rush hour is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The times of the day when traffic jams are commonplace, due mainly to people commuting to or from work.".
No misspelling variants are generated for rush hour in our index, a sign its spelling follows regular English conventions. Our confusable-pair dataset has no match for it, which tends to mean the word is visually distinctive enough to stand on its own.
This entry's etymology isn't recorded, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is rush hour, spelled R-U-S-H- -H-O-U-R.
Definition
- 1The times of the day when traffic jams are commonplace, due mainly to people commuting to or from work.
Synonyms
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
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Using “rush hour”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is R-U-S-H- -H-O-U-R - 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.