acetaminophen
/əˌsitəˈmɪnəfən/noun
acetaminophen is spelled A-C-E-T-A-M-I-N-O-P-H-E-N. The wrong spelling people search most is acetominophen: about 420 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 76 of all searches for the word. Acetaminophen is a noun meaning “A white crystalline compound used in medicine as an anodyne to relieve pain and reduce fever”. The plural of acetaminophen is acetaminophens.
How many letters and syllables are in acetaminophen?
| Letters | 13: A-C-E-T-A-M-I-N-O-P-H-E-N |
|---|---|
| Syllables | 6 (from its American pronunciation) |
| In writing | about once in every 2 million words; the 42,145th most frequent word form |
| Wrong spellings searched | 1; the most searched, acetominophen, about 420 Bing searches a month (all of them) |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).
How do you spell acetaminophen?
Acetaminophen is spelled A-C-E-T-A-M-I-N-O-P-H-E-N. One wrong spelling is searched or written often enough to measure; together they are about 1 in 76 of the searches for acetaminophen in either form.
Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.
How common is acetaminophen?
Acetaminophen appears about once in every 2 million words in written English, the 42,145th 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).
How do you pronounce acetaminophen?
- /əˌsitəˈmɪnəfən/
Acetaminophen has 6 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: LL-Q1860_(eng)-Naomi_Persephone_Amethyst_(NaomiAmethyst)-acetaminophen.wav, En-acetaminophen.oga, Wikimedia Commons (author and licence on each file's page).
Forms of acetaminophen
- acetaminophens plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does acetaminophen mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
CanadaUSA white crystalline compound used in medicine as an anodyne to relieve pain and reduce fever.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Acetaminophen in Spanish, French, German and Portuguese
In the sense drug:
| Language | Words |
|---|---|
| French | paracétamol, acétaminophène |
| German | Paracetamol |
| Portuguese | paracetamol |
| Spanish | acetaminofén m paracetamol |
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 acetaminophen come from?
A shortening of the chemical name para-acetylaminophenol. By surface analysis, acet- + amino- + -phen.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).