Here's what rhymes with massmerchandising.
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diving tithing dicing driving arriving deriving pricing enticing writhing knifing striving thriving splicing contriving slicing surviving depriving reviving conniving apprenticing sacrificing streptomycin dying buying dining timing biting typing piling piping tying dyeing tiring undying untiring pining biding biking chiding tiding writing trying binding fighting lying firing mining riding combining drying filing guiding hiding lighting lining shining abiding citing hiring liking signing ageing aspiring wiping wiring compiling hiking plying priming prying rhyming siding sighing sighting spying whining bribing perspiring righting siting styling twining vying blighting fining liming spiking whiting indicting shying viking bandying knighting opining priding retyping seining unbinding wining finding striking underlying applying crying defining flying smiling acquiring climbing deciding denying designing dividing lightning sliding winding admiring assigning implying inspiring inviting modifying retiring trifling blinding confining frying gliding obliging undermining complying confiding conspiring defying inciting stifling striding underwriting alighting aligning beguiling delighting divining minding underlining griping hireling repining rifling slighting sniping unsmiling unwinding belying deriding providing exciting declining occupying supplying grinding multiplying presiding refining relying residing uniting justifying reciting replying ascribing coinciding edifying expiring inclining resigning rewriting certifying colliding disliking fancying igniting notifying ratifying subsiding decrying nullifying uninspiring uninviting enshrining exiling nonbinding ossifying recombining unedifying unexciting describing identifying satisfying gratifying reminding terrifying overlying overriding reconciling unifying magnifying reclining testifying amplifying mortifying redefining sanctifying transcribing beautifying expediting inscribing intertwining mystifying pacifying redesigning reuniting stultifying stupefying subdividing acidifying codifying fructifying overwriting personifying ramifying typifying specifying classifying prescribing qualifying signifying horrifying purifying simplifying stereotyping subscribing verifying fortifying prophesying quantifying rectifying unsatisfying circumscribing emulsifying falsifying solidifying vivifying calcifying proscribing putrefying vilifying clarifying intensifying diversifying glorifying objectifying crucifying indemnifying liquefying exemplifying disqualifying electrifying oversimplifying