二乗: squaring

二条:

弾正: / 壇上: on an altar, stage, or platform / 壇場:

尿: urine / 繞: Chinese character radical that covers the left and bottom of a Chinese character

手錠: handcuffs

連声: a morphological change of an initial syllable of the second kanji under the influence of the historical coda of the first kanji in a word

十八日: eighteenth day of the month

twenty-eighth day of the month

by all means, absolutely must, one way or another

these