quintile
"quintile" is a 8-letter English headword indexed on PlainSpell.
The verdict
“quintile” is uncommon English (frequency #75,330 among 2,880 “Q” headwords), classed as a noun. The kind of spelling people second-guess.
- #75,330
- frequency rank, English
- 2,880
- “Q” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any of the quantiles which divide an ordered sample population into five equally numerous subsets.
| Property | Value |
|---|---|
| Headword | quintile |
| Language | English |
| Part of speech | Noun |
| Letters | 8 |
| Frequency rank | #75,330 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “quintile” sits in English frequency
Rare enough to double-check
quintile is uncommon English at frequency #75,330 among 2,880 “Q” headwords, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.
Our edit-distance generator produced no likely misspellings for quintile, since its letter sequence doesn't invite the usual edit-distance slips. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From quint- + -ile. The correct English form is quintile, spelled Q-U-I-N-T-I-L-E.
Definition
- 1Any of the quantiles which divide an ordered sample population into five equally numerous subsets.
- 2A subset thus obtained.
- 3An aspect of planets that are distant from each other by one fifth of a zodiac (72°)
Etymology
From quint- + -ile.
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); 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
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Using “quintile”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is Q-U-I-N-T-I-L-E - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
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.