The best replacement for bonobo is chimpanzee.

The best alternatives to bonobo are rated as following:
★★★★★  chimpanzee
★★  chimp
★  common chimpanzee
★  gitstack
  pygmy chimpanzee
  chimpanzees
  pygmy chimp

Your alternative for bonobo is not listed? Suggest!
Speaking about bonobo, one probably shouldn't forget about andreya triana.

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



Google Trends

Scale is based on the average worldwide traffic of bonobo in all years. Click on graph for more.
bonobo
chimpanzee
chimp