アジア太平洋地域[ajiataiheiyouchiiki] Asia-Pacific region
印度洋[indoyou] Indian Ocean
遠洋[enyou] ocean
遠洋漁業[enyougyogyou] deep-sea fisheries
仮装巡洋艦[kasoujunyoukan] merchant cruiser

海洋[kaiyou] ocean
海洋科学[kaiyoukagaku] marine science
五大洋[gotaiyou] the Five Oceans (Pacific, Atlantic, Indian, Southern, and Arctic)
三洋[sanyou] Sanyo (company)
巡洋艦[junyoukan] cruiser

亜種[ashu] subspecies
異機種[ikishu] heterogenous equipment
異種[ishu] different kind (species, variety)
育種[ikushu] (plant) breeding
育種家[ikushuka] (plant) breeder

育種所[ikushujo] (plant) nursery
一種[isshu] species
一粒種[hitotsubudane] an only child
種違い[tanechigai] half-brother
艶種[tsuyadane] love affair