quadrennial
/kwɒˈdɹɛn.i.əl/
"quadrennial" is a 11-letter English headword indexed on PlainSpell.
The verdict
“quadrennial” is uncommon English (frequency #68,562 among 2,880 “Q” headwords), classed as an adjective. The kind of spelling people second-guess.
- #68,562
- frequency rank, English
- 2,880
- “Q” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Happening every four years.
| Property | Value |
|---|---|
| Headword | quadrennial |
| Language | English |
| Part of speech | Adjective |
| IPA | /kwɒˈdɹɛn.i.əl/ |
| Letters | 11 |
| Frequency rank | #68,562 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “quadrennial” sits in English frequency
Rare enough to double-check
quadrennial is uncommon English at frequency #68,562 among 2,880 “Q” headwords, classed as anadjective, transcribed /kwɒˈdɹɛn.i.əl/. Rarity is why readers land here mid-draft. 2 senses are on record.
The misspelling generator found no plausible variants for quadrennial, typically a sign the spelling maps closely to how the word sounds. We don't track a confusable pairing for this entry, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: Borrowed from Latin quadriennium (“four-year period”), from quattuor (“four”) + annus (“year”). By surface analysis, quadr- + -ennial. The correct English form is quadrennial, spelled Q-U-A-D-R-E-N-N-I-A-L.
Definition
- 1Happening every four years.
- 2Lasting for four years.
Etymology
Borrowed from Latin quadriennium (“four-year period”), from quattuor (“four”) + annus (“year”). By surface analysis, quadr- + -ennial.
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 “quadrennial”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is Q-U-A-D-R-E-N-N-I-A-L - every other letter order is a misspelling in standard orthography.
- Say it as /kwɒˈdɹɛn.i.əl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- 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.