The best replacement for someone is somebody.

The best alternatives to someone are rated as following:
★★★★★  somebody
★★★  anyone
★★  some one
★★  someone
★★  being in love
★  something
★  dating
★  being in love with someone
  i grammar
  dating someone
  loving someone
  in love
  talking to someone
  working for yourself
  talking at someone
  wanting someone
  anyone esl
  owning a business
  myself
  someone and i
  teasing someone
  owning your own business
  in love with someone
  needing someone

Your alternative for someone is not listed? Suggest!
Speaking about someone, one probably shouldn't forget about feelings.

Other search terms related to someone and their ratings are:
★★★★★ feelings
fresh
You have in mind a companion for someone and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of someone in all years. Click on graph for more.
someone
somebody
anyone