appendicitis
/əˈpɛnd.ɪ.saɪt.əs/noun
appendicitis is a noun meaning “inflammation of the vermiform appendix” (English Wiktionary, September 2026). It is spelled A-P-P-E-N-D-I-C-I-T-I-S and has 5 syllables, and it appears about once in every 2 million words in written English (wordfreq, 2021 data). The plural of appendicitis is appendicitises or appendicitides.
What does appendicitis mean?
noun
- 1
inflammation of the vermiform appendix
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce appendicitis?
- UK /əˈpɛnd.ɪ.saɪt.əs/
Appendicitis has 5 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-appendicitis.ogg, Wikimedia Commons (author and licence on each file's page).
Forms of appendicitis
- appendicitises plural
- appendicitides plural
- appendicites plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is appendicitis?
Appendicitis appears about once in every 2 million words in written English, the 38,863rd 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).
Appendicitis in Spanish, French, German and Portuguese
In the sense inflammation of the vermiform appendix:
| Language | Words |
|---|---|
| French | appendicite |
| German | Blinddarmentzündung, Appendizitis |
| Portuguese | apendicite |
| Spanish | apendicitis |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does appendicitis come from?
From appendic- + -itis.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).