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)

ジェット推進研究所[jettosuishinkenkyuusho] Jet Propulsion Laboratory
一進一退[isshinittai] now advancing and now retreating
一歩前進[ippozenshin] (a) step forward
栄進[eishin] promotion
詠進[eishin] presentation of poem (to court)

仮進級[karishinkyuu] conditional promotion
勘進[kanshin] reporting after careful investigation
勧進[kanjin] temple solicitation
勧進元[kanjinmoto] backer
勧進帳[kanjinchou] temple solicitation book