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

握鮨[nigirizushi] nigirizushi
稲荷鮨[inarizushi] sushi wrapped in fried tofu
五目鮨[gomokuzushi] sushi with several ingredients mixed in or sprinkled on top
江戸前鮨[edomaezushi] Edo-style sushi (usu. nigirizushi)
散らし鮨[chirashizushi] sushi rice in a box or bowl with a variety of ingredients sprinkled on top

手巻鮨[temakizushi] hand-rolled sushi, usually cone-shaped
鮨飯[sushimeshi] rice seasoned with vinegar, sugar and salt, used for preparing sushi
鮨詰[sushizume] jam-packed
巻き鮨[makizushi] makizushi