pyrexia
/pʌɪˈrɛk.si.ə/
"pyrexia" is a 7-letter English headword indexed on PlainSpell.
The verdict
“pyrexia” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 7
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Fever.
Corpus desk
Index EN-pyrexia · pyrexia · English
pyrexia · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 7 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "P" thin
- PHOTO-UNK Peer pending
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
| Property | Value |
|---|---|
| Headword | pyrexia |
| Language | English |
| Part of speech | Noun |
| IPA | /pʌɪˈrɛk.si.ə/ |
| Letters | 7 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “pyrexia” in English
Rare enough to double-check
pyrexia is uncommon English outside the top frequency list, classed as anoun, transcribed /pʌɪˈrɛk.si.ə/. Rarity is why readers land here mid-draft. 2 senses are on record.
We couldn't generate a plausible misspelling set for pyrexia, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From post-classical Latin pyrexia, from Ancient Greek πυρεξία (purexía, “feverishness”), from πυρετός (puretós, “fever”). The correct English form is pyrexia, spelled P-Y-R-E-X-I-A.
Definition
- 1Fever.
- 2Trench fever.
Recorded use
Wiktionary exampleThese source excerpts show how pyrexia appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The least defined pyrexiae were the continued fevers, divided mainly into typhus, enteric (typhoid) and relapsing.
Etymology
From post-classical Latin pyrexia, from Ancient Greek πυρεξία (purexía, “feverishness”), from πυρετός (puretós, “fever”).
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.