Words the Bible translates as dissolve

English uses one word here. The Bible uses 2 words, and they do not mean the same thing. Each is listed with what it actually means, most frequent first.

masasמָסַסto melt away: to lose firm shape and dissolve, whether wax before fire, courage before terror, or a life dwindling to nothing
mugמוּגto melt or dissolve: to lose all firmness and give way, whether solid ground turning to liquid or a person's courage draining away

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Every English meaning beginning with D is on its letter page, and the whole index starts at Browse.