Sycosis

from The Collaborative International Dictionary of English v.0.48

Sycosis \Sy*co"sis\, n. [NL., fr. Gr. ?, fr. ? a fig.] (Med.)
   A pustular eruption upon the scalp, or the beared part of the
   face, whether due to ringworm, acne, or impetigo.
   [1913 Webster]