Biosystem rhymes with:
argosystem, ecosystem, argosystem, cablesystem, ecosystem, subsystem, techsystem, telesystem, ultrasystem, argosystem, cablesystem, ecosystem, subsystem, techsystem, telesystem, ultrasystem
Biosystem sounds like:
bagdon, baisden, basden, basten, bastian, bastien, bastin, bastion, baston, bastone, beaston, becton, begotten, bigtime, bogdan, bogden, bogdon, bostian, boston, bostonian, boughten, boughton, boustany, buckstein, bustin, buxton