痛い痛い病: "ouch-ouch disease", caused by cadmium poisoning from industrial wastes in Toyama prefecture.

病臥中: bedridden

林檎病: fifth disease

糖原病: glycogenosis

クロイツフェルト・ヤコブ病: Creutzfeldt-Jakob disease

zero

a custom, usual practice, habit / a precedent / the aforementioned / a case, an instance, an illustration, an example

a bow, the gesture of bending at the waist / an expression of thanks or gratitude

age

lovely / beautiful / graceful / resplendent