押韻 is read as おういん (ouin) and means rhyming.
おういん
ouin
おうなつ
stamping
おしかけにょうぼう
woman who forced her husband into marriage
おしだまる
to keep silent
おしずもう
pushing sumo
おしせまる
to draw near
おしきず
bruise (on fruit, etc.)
おしきりちょう
notebook with records of monies received
おしちぢめる
to squeeze
いん
rhyme
よいん
suggestiveness (of a book, poem, etc.)
おしいれ
closet (built into the wall of a room)
おす
(of light) to be diffused across an entire surface