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  • Word comparison: corroborate vs. collaborate

corroborate vs. collaborate

verb (used with object)

corroborated, corroborating 
  1. to make more certain; confirm.

    He corroborated my account of the accident.

adjective

  1. Archaic.,  confirmed.

verb (used without object)

collaborated, collaborating 
  1. to work, one with another; cooperate, as on a literary work.

    They collaborated on a novel.

  2. to cooperate with an enemy nation, especially with an enemy occupying one's country.

    He collaborated with the Nazis during World War II.

    Synonyms: abet, assist, join, collude