The best replacement for tweets is tweets.

The best alternatives to tweets are rated as following:
★★★★★  tweets
★★★  twits
★★  status updates
★★  mylikes
★  promoted accounts
  statuses
  ricky gervais

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

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



Google Trends

Scale is based on the average worldwide traffic of tweets in all years. Click on graph for more.
tweets
tweets
twits