The best replacement for memoir is autobiography.

The best alternatives to memoir are rated as following:
★★★★★  autobiography
★★★  biography
★★  personal narrative
★★  novel
★★  fiction
★  behold
★  memoirs
★  personal essay
★  diary
★  memoire
★  profile
  essay
  creative non fiction
  nonfiction
  samsung behold
  narrative
  book latex
  an autobiography
  short story

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Speaking about memoir, one probably shouldn't forget about reagan.

Other search terms related to memoir and their ratings are:
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memoir
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