御前[omai] you (formerly honorific, now sometimes derog. term referring to an equal or inferior)
御前さん[omaesan] you
已前[izen] ago
以前に[izenni] ago
一人前[ichininmae] becoming adult

一人前になる[ichininmaeninaru] to come of age
一昔前[hitomukashimae] long ago
一歩前進[ippozenshin] (a) step forward
駅前[ekimae] in front of station
駅前通り[ekimaedoori] street in front of station

アナログデジタル変換器[anarogudejitaruhenkanki] analog-digital converter
圧搾器[assakuki] compression
圧力調整器[atsuryokuchouseiki] pressure regulator
安全器[anzenki] safety device
安定器[anteiki] stabilizer

医療器械[iryoukikai] medical appliances
育雛器[ikusuuki] breeder
化学兵器[kagakuheiki] chemical weapons
化学兵器禁止条約[kagakuheikikinshijouyaku] chemical weapons ban treaty
加減抵抗器[kagenteikouki] rheostat

位官[ikan] rank and official position
依願免官[iganmenkan] retirement at one's own request
尉官[ikan] officer below the rank of major
医官[ikan] medical officer
沖縄開発庁長官[okinawakaihatsuchouchoukan] Director General of Okinawa Development Agency

下士官[kashikan] non-commissioned officer
下士官兵[kashikanhei] enlisted man
科学技術庁長官[kagakugijutsuchouchoukan] Director General of Science and Technology Agency
会計官[kaikeikan] accountant
外交官[gaikoukan] diplomat

奥庭[okuniwa] inner garden
家庭[katei] home
家庭を顧みない[kateiwokaeriminai] thinking little of one's family
家庭科[kateika] home economics
家庭教育[kateikyouiku] home education

家庭教師[kateikyoushi] tutor
家庭裁判所[kateisaibansho] family court
家庭内暴力[kateinaibouryoku] household violence (esp. adolescent children towards parents)
家庭用[kateiyou] for home (vs business) use
家庭欄[kateiran] family column (newspaper)