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

一芸[ichigei] an art
隠し芸[kakushigei] hidden talent
園芸[engei] horticulture
演芸[engei] entertainment
学芸[gakugei] arts and sciences

曲芸[kyokugei] acrobatics
曲芸師[kyokugeishi] acrobat
芸者[geisha] geisha
芸術[geijutsu] (fine) art
芸術家[geijutsuka] artist