黄道十二宮[koudoujuunikyuu] twelve signs of the zodiac
丸十[marujuu] cross in a circle
五十音[gojuuon] the Japanese syllabary
五十音順[gojuuonjun] the syllabary order
五十三次[gojuusantsugi] the 53 Toukaidou stages

五十年祭[gojuunensai] jubilee
五十歩百歩[gojuppohyappo] six of one and a half dozen of the other
五十路[isoji] age fifty
三十戸[sanjikko] thirty houses
三十三所[sanjuusansho] any of a number of sets of thirty-three holy places enshrining Avalokitesvara (esp. those comprising a popular pilgrimage in the Kinki region)

胃薬[igusuri] stomach medicine
医薬[iyaku] medicine
医薬品[iyakuhin] medical supplies
医薬分業[iyakubungyou] separation of medical and dispensary practice (practise)
飲薬[nomigusuri] oral medicine

下し薬[kudashigusuri] laxative
下ろし薬[oroshigusuri] an abortive
下薬[geyaku] laxative
加薬[kayaku] spices
火薬[kayaku] gunpowder