pyelonephritis
noun
pyelonephritis is spelled P-Y-E-L-O-N-E-P-H-R-I-T-I-S: 14 letters. It appears about once in every 25 million words in written English, the 152,206th most frequent word form (wordfreq, 2021 data). As a noun, pyelonephritis means “An ascending urinary tract infection of the renal pelvis” (English Wiktionary, September 2026). The plural of pyelonephritis is pyelonephritides.
How many letters and syllables are in pyelonephritis?
| Letters | 14: P-Y-E-L-O-N-E-P-H-R-I-T-I-S |
|---|---|
| In writing | about once in every 25 million words; the 152,206th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is pyelonephritis?
Pyelonephritis appears about once in every 25 million words in written English, the 152,206th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Forms of pyelonephritis
- pyelonephritides plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does pyelonephritis mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
An ascending urinary tract infection of the renal pelvis
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does pyelonephritis come from?
From pyelo- (“relating to the renal pelvis”) + nephritis.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).