Techsystem rhymes with:
argosystem, biosystem, cablesystem, ecosystem, subsystem, telesystem, ultrasystem, argosystem, biosystem, cablesystem, ecosystem, subsystem, telesystem, ultrasystem
Techsystem sounds like:
tajikistan, taketomi, taxation, testimony, teston, thackston, thaxton, tighten, tjaden, touchdown, touchstone, touchton, tsutomu, tustin