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)

飲干す[nomihosu] to drink up
刈り干す[karihosu] to cut and dry (in the sun)
干菓子[higashi] dried candies
乾干し[karaboshi] sun-dried fish or vegetables
干物[hoshimono] things dried in the sun (esp. clothes, dyed cloth, etc.)

干し固める[hoshikatameru] to dry until stiff
干草[hoshigusa] hay
干る[hiru] to dry
干害[kangai] drought disaster