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

二乗: squaring

二条:

二乗: square

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

生, 活: (attaches to nouns) vigorous, lively, powerful / 幾: (attaches to nouns) implies an indeterminate amount: several, many, much, a lot

生く: to be alive; to come back to life; to be vigorous, to be lively; to make something live, to plant something

生け花: flower arrangement

意見: opinion / 異見: different opinion / 違憲: unconstitutionality / 威権: authority