pentathlon
"pentathlon" is a 10-letter English headword indexed on PlainSpell.
The verdict
“pentathlon” is uncommon English (frequency #82,652 among 46,516 “P” headwords), classed as a noun. The kind of spelling people second-guess.
- #82,652
- frequency rank, English
- 46,516
- “P” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An ancient athletics discipline, featuring five events: stadion, wrestling, long jump, javelin and discus
| Property | Value |
|---|---|
| Headword | pentathlon |
| Language | English |
| Part of speech | Noun |
| Letters | 10 |
| Frequency rank | #82,652 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “pentathlon” sits in English frequency
Rare enough to double-check
pentathlon is uncommon English at frequency #82,652 among 46,516 “P” headwords, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.
The misspelling generator found no plausible variants for pentathlon, a sign its spelling follows regular English conventions. This entry stands alone in our confusable dataset, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: Borrowed from Ancient Greek πένταθλον (péntathlon), from πέντε (pénte, “five”) + ἆθλον (âthlon, “contest”). By surface analysis, penta- + -athlon. The correct English form is pentathlon, spelled P-E-N-T-A-T-H-L-O-N.
Definition
- 1An ancient athletics discipline, featuring five events: stadion, wrestling, long jump, javelin and discus
- 2Ellipsis of women's pentathlon (“a 20th-century athletics discipline for women, the women's counterpart of the men's decathlon, the predecessor to the women's heptathlon, featuring five events: hurdles, shot put, high jump, long jump, and a run”).
- 3Ellipsis of modern pentathlon, a discipline with five events based on late-19th century basic military skills.
Etymology
Borrowed from Ancient Greek πένταθλον (péntathlon), from πέντε (pénte, “five”) + ἆθλον (âthlon, “contest”). By surface analysis, penta- + -athlon.
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 “pentathlon”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is P-E-N-T-A-T-H-L-O-N - 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.