Robotic rhymes with:
antibiotic, aquatic, astronautic, chaotic, despotic, erotic, exotic, hypnotic, idiotic, narcotic, neurotic, patriotic, psychotic, quixotic, semiotic, symbiotic, unpatriotic
Robotic sounds like:
rabbits, rafts, rapids, raptis, ravitch, ravitz, rebates, refutes, repeats, repetitious, repudiates, rifts, rivets, robidoux, robot's, robotics, robots