戊辰[boshin] fifth of the sexagenary cycle
戊戌[bojutsu] 35th of the sexagenary cycle
戊夜[boya] fifth division of the night (approx. 3 am to 5 am)
戊辰戦争[boshinsensou] Boshin War (Japanese civil war between Imperial and shogunate forces, 1868-1869)
戊申詔書[boshinshousho] Imperial Rescript of 1908

戊寅[tsuchinoetora] 15th of the sexagenary cycle
戊子[tsuchinoene] twenty-fifth of the sexagenary cycle
戊申[tsuchinoesaru] 45th of the sexagenary cycle
戊午[tsuchinoeuma] 55th of the sexagenary cycle

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