Wiktionary
sulfer
n. (misspelling of sulfur English)
Wikipedia
Sulfer (magazine)
Usage examples of "sulfer".
Panic surged through her as she fumbled with the match and box, striking it twice before she managed to connect the sulfer tip with the flint.
But see that she is not allowed to put any of those foul concoctions made of mercury water, lead, or sulfer on her face in an effort to cover up the freckles.