序に[tsuideni] incidentally
安寧秩序[anneichitsujo] peace and order
機序[kijo] mechanism
時間順序積[jikanjunjoseki] time ordered product (physics)
次序[jijo] order

順序[junjo] order
順序通り[junjodoori] in (the proper) order
順序不同[junjofudou] unordered
順序立てる[junjodateru] to put into order
序で[tsuide] opportunity

印章[inshou] stamp
階級章[kaikyuushou] rank insignia
楽章[gakushou] (musical) movement
徽章[kishou] medal
旧章[kyuushou] ancient laws

勲章[kunshou] decoration
憲章[kenshou] charter
肩章[kenshou] shoulder strap
周章てる[awateru] to become confused (disconcerted, disorganized, disorganised)
校章[koushou] school badge