ちょっと一杯[chottoippai] let's have a quick drink
ばつ一[batsuichi] being once divorced
一向[hitaburu] nothing but
サラダ一皿[saradahitosara] plate of salad

安全第一[anzendaiichi] safety first
一か八か[ichikabachika] sink or swim
一っ走り[hitoppashiri] spin (as in 'take a car for a spin')
一つ一つ[hitotsuhitotsu] one-by-one

ペンキ塗り立て[penkinuritate] wet paint
粟立つ[awadatsu] to have gooseflesh (cold or horror)
安心立命[anshinritsumei] spiritual peace and enlightenment
一頭立て[ittoudate] one-horse (carriage)
一本立ち[ippondachi] independence

引立つ[hikitatsu] to become active
隠し立て[kakushidate] secrecy
永世中立[eiseichuuritsu] permanent neutrality
永世中立国[eiseichuuritsukoku] permanent neutral country
推し立てる[oshitateru] to set up

データの先頭[deetanosentou] beginning of data
一頭[ittou] one large animal (horses, cattle, etc.)
一頭立て[ittoudate] one-horse (carriage)
咽頭[intou] pharynx
駅頭[ekitou] station

音頭[ondo] leading a group of people
会頭[kaitou] society president
街頭[gaitou] in the street
核弾頭[kakudantou] nuclear warhead
巻頭[kantou] opening page of book