に就て[nitsuite] concerning
に就き[nitsuki] because of
去就[kyoshuu] committing one's self
就いては[tsuiteha] in line with this
就きましては[tsukimashiteha] in line with this

就く[tsuku] to ascend (the throne)
就ける[tsukeru] to install (a king, emperor, etc.)
就学[shuugaku] entering school
就学義務[shuugakugimu] compulsory school attendance
就学児童[shuugakujidou] school child

レジオネラ菌[rejionerakin] Legionella pneumophila (bacteria that causes Legionnaires' disease)
汚染菌[osenkin] contaminant
化膿菌[kanoukin] pyogenic bacteria
球菌[kyuukin] coccus
菌糸[kinshi] fungal filament

菌毒[kindoku] mushroom poison
菌類[kinrui] fungus
抗菌[koukin] antibacterial
抗菌性[koukinsei] antibacterial
抗真菌[koushinkin] antifungal

異類[irui] varieties
一類[ichirui] same kind
円虫類[enchuurui] round worms
塩類[enrui] salts
塩類溶液[enruiyoueki] saline

貝類[kairui] shellfish
柑橘類[kankitsurui] citrus fruits
希土類[kidorui] rare earth
魚貝類[gyokairui] marine products
魚類[gyorui] fish