sulfa
/ˈsʌlfə/adjective, noun
sulfa is spelled S-U-L-F-A: 5 letters and 2 syllables. It appears about once in every 12 million words in written English, the 102,771st most frequent word form (wordfreq, 2021 data). As an adjective, sulfa means “Of or containing sulfonamide or sulfanilamide” (English Wiktionary, September 2026).
How many letters and syllables are in sulfa?
| Letters | 5: S-U-L-F-A |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | about once in every 12 million words; the 102,771st most frequent word form |
| Wrong spellings searched | none measured in search |
| Sounds like |
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).
How common is sulfa?
Sulfa appears about once in every 12 million words in written English, the 102,771st 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 sulfa?
- /ˈsʌlfə/
Sulfa has 2 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).
Words people confuse with sulfa
Sounds like: sulfur (Wiktionary's homophone list; some hold only in some accents).
Sources: English Wiktionary (homophones, alternative spellings).
Forms of sulfa
- sulpha
- sulfas plural
- sulpha- UK
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does sulfa mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Of or containing sulfonamide or sulfanilamide.
noun
- 1
A sulfonamide or sulfanilamide.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).