悪相[akusou] evil countenance
位相[isou] phase (in science)
位相幾何学[isoukikagaku] topology
位相空間[isoukuukan] phase space (physics)
為替相場[kawasesouba] exchange rates

遺産相続[isansouzoku] inheritance
一子相伝[isshisouden] transmission of the secrets of an art, craft, trade or learning from father to only one child
印相[inzou] mudra
運輸相[unyushou] Transport Minister
卸相場[oroshisouba] wholesale price

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