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crevasse vs. crevice

[kruh-vas] / krəˈvæs /

noun

  1. a fissure, or deep cleft, in glacial ice, the earth's surface, etc.

  2. a breach in an embankment or levee.

verb (used with object)

crevassed, crevassing
  1. to fissure with crevasses.

[krev-is] / ˈkrɛv ɪs /

noun

  1. a crack forming an opening; cleft; rift; fissure.