乾癬[kansen] psoriasis
苔癬[taisen] lichen
疥癬[kaisen] scabies
頑癬[tamushi] ringworm (of the body)
皮癬[hizen] scabies

皮癬ダニ[hizendani] itch mite (Sarcoptes scabiei)
疥癬虫[kaisenchuu] itch mite (Sarcoptes scabiei)
頑癬[gansen] ringworm (of the groin)
白癬[shirakumo] scalp ringworm
扁平苔癬[henpeitaisen] lichen planus

海苔[nori] nori (edible seaweed, esp. species Porphyra tenera and others of genus Porphyra, usu. dried and pressed into sheets)
乾海苔[hoshinori] dried edible seaweed
苔状[taijou] mossy
苔類[kokerui] bryophyte (any of three groups of non-vascular land plants, inc. mosses, hornworts and liverworts)
苔癬[taisen] lichen

蘚苔[sentai] moss
転石苔を生ぜず[tensekikokewoshouzezu] a rolling stone gathers no moss
布海苔[funori] funori (seaweed)
蘚苔学[sentaigaku] bryology