pellagra

n [U] (medical 医) disease that causes cracking of the skin and often leads to insanity 糙皮病.

peerless, peeve, peeved, peevish, peevishly, peevishness, peewit (also pewit), peg, peg sth down, peg-board, pejorative, pejoratively, peke, Pekinese (also Pekingese), pekoe, pelagic, pelf, pelican, pelican crossing, pell-mell, pellet, pellucid, pelmet, pelota, pelt, pelvic, pelvis, pemmican, pen, pen-and-ink, pen-friend (also esp US `pen-pal), pen-name, pen-pusher, pen-pushing, pen-wiper, penal, penal code, penal law, penal servitude, penalization,