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

悪水[akusui] undrinkable water
井戸水[idomizu] well water
一衣帯水[ichiitaisui] (being separated only by a) narrow strip of water
一水[issui] current (of water)
溢水[issui] inundation

飲水量[insuiryou] amount of drinking
飲料水[inryousui] drinking water
烏の行水[karasunogyouzui] quick bath
雲水[unsui] itinerant priest
塩化水素[enkasuiso] hydrogen chloride

碓氷峠[usuitouge] Usui Pass
月下氷人[gekkahyoujin] go-between
砕氷船[saihyousen] ice breaker
削氷機[sakuhyouki] ice-shaving machine

樹氷[juhyou] frost covered trees
製氷[seihyou] ice making
そう氷[souhyou] pack ice
欠氷[kakigoori] shaved ice (usually served with flavored simple syrup)