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

松毬[matsupokkuri] pinecone
手毬[temari] traditional Japanese handball game
毬投げ[marinage] playing catch
毬果[kyuuka] (pine) cone

毬栗[igaguri] chestnut in its burr
毬栗頭[igaguriatama] close-cropped head
毬藻[marimo] marimo (variety of algae, Cladophora aegagropila)
ゴム毬[gomumari] rubber ball