悪疾[akushitsu] malignant or virulent disease
公務疾病[koumushippei] sickness incurred in line of duty
際疾い[kiwadoi] very close
歯牙疾患[shigashikkan] dental disease
疾っくに[tokkuni] long ago

疾患[shikkan] disease
疾走[shissou] sprint
疾病[shippei] illness
疾風[shippuu] gale
疾風迅雷[shippuujinrai] with lightning speed

痔核[jikaku] hemorrhoid
痔瘻[jirou] anal fistula
切痔[kireji] anal fistula

吮癰舐痔[senyoushiji] currying favour (favor)
痔疾[jishitsu] hemorrhoids
疣痔[iboji] hemorrhoid