タクシーに乗る[takushiininoru] to take a taxi
タクシー乗り場[takushiinoriba] taxi rank
バスに乗る[basuninoru] to take the bus
悪乗り[warunori] overdoing
移乗[ijou] transferring (to another ship, etc.)

一人乗り[ichininnori] single seater (e.g. boat, aeroplane, airplane)
一天万乗[ittenbanjou] the whole realm
一番乗り[ichibannori] leader of a charge
遠乗り[toonori] long ride
下乗[gejou] dismounting

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