Polyconomics rhymes with:
economics, macroeconomics, microeconomics, clintonomics, economics, ergonomics, macroeconomics, microeconomics, reaganomics, clintonomics, economics, ergonomics, macroeconomics, microeconomics, reaganomics, rogernomics
Polyconomics sounds like:
pelagians, pelekunu's, pelican's, pelicans, pillaging, placencia, placing, plagens, plaguing, plaisance, plascencia, plasencia, pleasing, plucinski, plucking, plugging, policeman's, policing, polishing, polygamous, polygynous, publicizing, publishing, publishing's, publishings, pulsing