collapse, fall, be destroyed

rock (natural mineral aggregate)

weathering / fadeaway

to weather (rocks) / to fade away

gradually

petrology

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