位置揃え[ichisoroe] justification
一揃い[hitosoroi] set
一揃え[hitosoroe] set
供揃い[tomozoroi] attendants
三つ揃い[mitsuzoroi] three-piece suit

勢揃[seizoroi] array
切り揃える[kirisoroeru] to cut and even up
揃い[soroi] set
揃う[sorou] to become complete
揃える[soroeru] to collect

一首[isshu] tanka
鎌首[kamakubi] sickle-shaped neck (e.g. snake, praying mantis)
丸首[marukubi] round-necked (T-shirt)
偽首[nisekubi] falsified severed head
カリ首[karikubi] (something resembling a) goose's neck

がん首[gankubi] head of a pipe, incl. the bowl and stem attachment
機首[kishu] nose (of plane)
襟首[erikubi] nape of neck
元首[genshu] ruler
絞首刑[koushukei] death by hanging