long run
"long-run" is a 7-letter English headword indexed on PlainSpell.
The verdict
“long run” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 8
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An extended period of time.
| Property | Value |
|---|---|
| Headword | long run |
| Language | English |
| Part of speech | Noun |
| Letters | 8 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “long run” sits in English frequency
Spelling & Dictionary Insight
The English entry for long run is 8 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "An extended period of time.".
long run doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
No explicit etymology string is stored for this entry, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is long run, spelled L-O-N-G- -R-U-N.
Definition
- 1An extended period of time.
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 “long run”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is L-O-N-G- -R-U-N - 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.