phenobarbital
/ˌfiː.noʊˈbɑɹ.bəˌtɔl/noun
phenobarbital is spelled P-H-E-N-O-B-A-R-B-I-T-A-L: 13 letters and 5 syllables. It appears about once in every 9 million words in written English, the 87,317th most frequent word form (wordfreq, 2021 data). As a noun, phenobarbital means “A narcotic and sedative barbiturate drug used chiefly to treat epilepsy” (English Wiktionary, September 2026). The plural of phenobarbital is phenobarbitals.
How many letters and syllables are in phenobarbital?
| Letters | 13: P-H-E-N-O-B-A-R-B-I-T-A-L |
|---|---|
| Syllables | 5 (from its pronunciation) |
| In writing | about once in every 9 million words; the 87,317th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
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); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is phenobarbital?
Phenobarbital appears about once in every 9 million words in written English, the 87,317th 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 phenobarbital?
- UK /ˌfiː.nə(ʊ)ˈbɑː.bɪt.əl/
- UK /ˌfɛn.ə(ʊ)ˈbɑː.bɪt.əl/
- US /ˌfiː.noʊˈbɑɹ.bəˌtɔl/
Phenobarbital has 5 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En_US_Phenobarbital.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with phenobarbital?
4 words on PlainSpell end in the same sounds as phenobarbital from its last stressed vowel (/ɑɹbətɔl/):
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of phenobarbital
- phenobarbitals plural
- phenobarbitone UK
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does phenobarbital mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A narcotic and sedative barbiturate drug used chiefly to treat epilepsy.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Phenobarbital in Spanish, French, German and Portuguese
In the sense barbiturate sedative:
| Language | Words |
|---|---|
| German | Phenobarbital |
| Portuguese | fenobarbital |
| Spanish | fenobarbital |
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 phenobarbital come from?
From pheno- + barbital.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).