患者【かんじゃ】
patient
患う【わずらう】
to be ill, to suffer from, to worry about, to be concerned about, to have trouble doing ..., to be unable to ..., to fail to ...
患部【かんぶ】
affected part, diseased part, wound
疾患【しっかん】
disease, illness, disorder, condition, ailment
急患【きゅうかん】
emergency case
病患【びょうかん】
sickness, disease
内憂外患【ないゆうがいかん】
troubles both at home and abroad
罹患【りかん】
contracting a disease