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)

ト音記号[toonkigou] G clef
ドル記号[dorukigou] dollar sign ($)
ハ音記号[haonkigou] C clef
ブレーク信号[bureekushingou] break signal
ブロック番号[burokkubangou] block number

ヘ音記号[heonkigou] F clef
哀号[aigou] moan
暗号[angou] code
暗号化[angouka] encryption
暗号化手法[angoukashuhou] cryptography