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corroborate vs. collaborate

corroborate
[kuh-rob-uh-reyt, kuh-rob-er-it] / kəˈrɒb əˌreɪt, kəˈrɒb ər ɪt /

verb (used with object)

  • corroborates,
    present (3rd person singular)
  • corroborated,
    past participle,  past
  • corroborating
    present participle

  1. to make more certain; confirm.

    He corroborated my account of the accident.
    Synonyms:
    validate, support, authenticate, verify

adjective

  1. Archaic. confirmed.

collaborate
[kuh-lab-uh-reyt] / kəˈlæb əˌreɪt /

verb (used without object)

  • collaborates,
    present (3rd person singular)
  • collaborated,
    past participle,  past
  • collaborating
    present participle

  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