御古[ofuru] used article (esp. clothes)
手古摺る[tekozuru] to have much trouble
土耳古[toruko] Turkey
下稽古[shitageiko] rehearsal
懐古[kaiko] recalling the old days

擬古[giko] imitation of classical styles
擬古文[gikobun] classical style
稽古[keiko] practice
遠古登点[wokototen] marks to aid in reading Chinese classics
古え[inishie] antiquity

寒武利亜[kanburia] Cambria (old name for Wales)
威武[ibu] authority and force
演武[enbu] military exercises
我武者羅[gamushara] reckless
核武装[kakubusou] nuclear arms

玄武岩[genbugan] basalt
古武道[kobudou] ancient Japanese martial arts
公武[koubu] nobles and soldiers
公武合体[koubugattai] shogunate marital union with the Imperial Family
荒武者[aramusha] daredevil

悪球[akkyuu] hard ball to hit
逸球[ikkyuu] muffed ball
衛星地球局[eiseichikyuukyoku] (satellite) earth station
眼球[gankyuu] eyeball
気球[kikyuu] balloon

球戯[kyuugi] billiards
球技[kyuugi] ball game (e.g. baseball, tennis, soccer)
球菌[kyuukin] coccus
球形[kyuukei] globular or spherical shape

琉璃[ruri] lapis lazuli
琉球列島[ryuukyuurettou] Ryukyu Islands
琉球諸島[ryuukyuushotou] Ryukyu Islands
琉球音階[ryuukyuuonkai] Okinawan scale (hemitonic pentatonic scale: do, mi, fa, so, ti)
琉球語[ryuukyuugo] Ryukyuan languages

琉歌[ryuuka] Okinawan fixed form poetry
三筋琉球雀鯛[misujiryuukyuusuzumedai] whitetail dascyllus (Dascyllus aruanus, species of damselfish from the Indo- West Pacific)
琉球芋[ryuukyuuimo] sweet potato (Ipomoea batatas)
琉球藍[ryuukyuuai] Assam indigo (Strobilanthes cusia)
琉球古武術[ryuukyuukobujutsu] Okinawan kobudo

クローン技術[kuroongijutsu] cloning technology
詮術[sensube] (proper) methods
医学技術士[igakugijutsushi] medical technician
医術[ijutsu] medicine
印刷術[insatsujutsu] printing art

黄金術[ougonjutsu] alchemy
科学技術[kagakugijutsu] science and technology
科学技術庁[kagakugijutsuchou] Science and Technology Agency
科学技術庁長官[kagakugijutsuchouchoukan] Director General of Science and Technology Agency
学術[gakujutsu] science