一も二も無く[ichimonimonaku] unhesitatingly
一言二言[hitokotofutakoto] a word or two
一石二鳥[issekinichou] killing two birds with one stone
一二に及ばず[ichininioyobazu] right away
一姫二太郎[ichihimenitarou] It's good to have a girl first and then a boy

うり二つ[urifutatsu] as alike as two melons (two peas in a pod)
黄道十二宮[koudoujuunikyuu] twelve signs of the zodiac
二度[futatabi] again
最小二乗法[saishounijouhou] least-squares method
三十二分音符[sanjuunibuonpu] 32nd note

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)

お宮[omiya] Shinto shrine
御宮参り[omiyamairi] shrine visit
伊勢大神宮[isedaijinguu] the Grand Shrines of Ise
王宮[oukyuu] royal palace
黄道十二宮[koudoujuunikyuu] twelve signs of the zodiac

仮宮[karimiya] temporary shrine
宮崎県[miyazakiken] Miyazaki prefecture (Kyushu)
宮参り[miyamairi] shrine visit
宮司[guuji] chief priest
宮城[kyuujou] Imperial Palace

跆拳道[tekondoo] Tae Kwon Do
テレビ報道[terebihoudou] television report
悪の道へ誘う[akunomichiheizanau] to lead astray
悪虐無道[akugyakubudou] treacherous
悪道[akudou] wrong course

医事伝道[ijidendou] medical missionary work
医道[idou] the art of medicine
医療伝道[iryoudendou] medical missionary work
一筋道[hitosujimichi] straight road
一道[ichidou] one road

黄ばみ[kibami] yellow tint
黄ばむ[kibamu] to turn yellow
黄鉛[ouen] chrome yellow
黄河[kouga] Yellow river (in China)
黄禍[kouka] Yellow Peril

黄花[kouka] chrysanthemum
黄海[koukai] Yellow Sea
黄褐色[oukasshoku] yellowish-brown
黄菊[kigiku] yellow chrysanthemum