The best replacement for atheist is agnostic.

The best alternatives to atheist are rated as following:
★★★★★  agnostic
★★★★  christian
★★★  theist
★★  christian debate
★★  atheism
★  non religious
★  atheist
★  satanist
★  humanist
★  agnostic difference
★  antitheist
★  deist
★  muslim
★  an agnostic
  nihilist
  christians
  agnostic definition
  believer
  anti theist
  anti christian
  agonist
  secular humanist
  christian debates
  no religion
  creationist
  christian chat
  non theist
  religious
  mormon
  muslim debate
  christian 30 days
  agnostics
  pagan

Your alternative for atheist is not listed? Suggest!
Speaking about atheist, one probably shouldn't forget about christian friends.

Other search terms related to atheist and their ratings are:
★★★★★ christian friends
★ nde
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Google Trends

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atheist
agnostic
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