The best replacement for single parent is two parent homes.

The best alternatives to single parent are rated as following:
★★★★★  two parent homes
★★★★  two parent families
★★★  two parent
★★★  both parents
★  nuclear family
  both parent
  lone parent
  marriage couple

Your alternative for single parent is not listed? Suggest!
Speaking about single parent, one probably shouldn't forget about only child.

Other search terms related to single parent and their ratings are:
★★★★★ only child
You have in mind a companion for single parent and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of single parent in all years. Click on graph for more.
single parent
two parent homes
two parent families