Here's what rhymes with perfectionizing.
rising arising exercising ionizing sizing summarizing summarising exorcising surprising emphasizing uprising advising analysing maximizing oxidizing theorizing civilizing colonizing synthesizing authorising sensitizing synchronizing customizing galvanizing immunizing theorising apprising atomizing feminizing sermonizing itemizing mechanizing prising prizing sensitising tyrannizing urbanizing advertising analyzing comprising organizing recognizing authorizing devising minimizing revising supervising modernizing optimizing socializing specializing symbolizing baptizing energizing equalizing fertilizing harmonizing memorizing sympathizing visualizing catalyzing chastising economizing humanizing paralysing stigmatizing aggrandizing capsizing finalizing fraternizing satirizing secularizing vaporizing verbalizing vitalizing vocalizing amortizing anodizing carbonizing catalysing catechizing demonizing desensitizing empathizing hypnotizing idolizing memorising sanitizing solemnizing stigmatising vulcanizing womanizing utilizing compromising enterprising stabilizing generalizing merchandising mobilizing patronizing categorizing centralizing crystallizing despising disguising jeopardizing liberalizing localizing magnetizing moralizing paralyzing philosophizing polarizing rationalizing scrutinizing sterilizing subsidizing antagonizing appetizing dehumanizing digitizing fantasizing formalizing globalizing homogenizing improvising legalizing nationalizing systematizing temporizing terrorizing unsurprising disorganizing eulogizing familiarizing hybridizing hydrolyzing hypothesizing initializing magnetising mesmerizing penalizing personalizing privatizing pulverizing appetising baptising commercializing epitomizing merchandizing moisturizing overemphasizing particularizing pasteurizing professionalizing regularizing televising temporising unappetizing unionizing criticizing practising neutralizing apologizing capitalizing destabilizing legitimizing normalizing reorganizing standardizing tantalizing actualizing decentralizing democratizing dramatizing evangelizing externalizing monopolizing publicizing revitalizing revolutionizing brutalizing demagnetizing immobilizing materializing naturalizing politicizing tranquilizing anesthetizing categorising criminalizing dramatising mythologizing plagiarizing polarising polymerizing pressurizing scandalizing traumatizing trivializing characterizing conceptualizing demoralizing depolarizing individualizing internalizing metabolizing popularizing prioritizing proselytizing marginalizing proselytising depersonalizing editorializing memorializing metastasizing popularising radicalizing tranquillizing unenterprising industrializing romanticizing internationalizing prioritising propagandizing sentimentalizing contextualizing intellectualizing Words that almost rhyme with perfectionizing
knifing arriving surviving diving writhing conniving tithing dicing driving striving deriving pricing thriving enticing splicing slicing sacrificing reviving contriving depriving apprenticing streptomycin mining knighting writing dying fighting lying buying firing riding smiling dining filing guiding hiding lighting lining shining timing abiding admiring assigning biting citing hiring liking signing typing piling piping tying wiping wiring dyeing hiking rhyming siding sighing sighting tiring undying untiring whining alighting aligning minding pining righting siting vying biding biking chiding fining liming sniping whiting shying viking seining tiding wining finding trying binding striking applying crying flying acquiring climbing combining deciding denying drying lightning sliding supplying winding inviting refining uniting ageing aspiring confining frying gliding obliging overlying overriding signifying coinciding compiling confiding inciting plying priming prying spying striding bribing colliding divining fancying igniting styling subsiding twining blighting expediting griping hireling rifling slighting spiking unsmiling unwinding indicting ossifying overwriting eliding maligning opining priding retyping providing underlying defining exciting designing dividing occupying grinding implying inspiring relying reminding residing retiring specifying trifling blinding classifying reciting reconciling undermining ascribing complying conspiring defying edifying expiring horrifying inclining resigning rewriting stifling underwriting verifying beguiling certifying delighting perspiring rectifying underlining falsifying pacifying repining reuniting uninviting vivifying acidifying belying calcifying codifying crucifying deriding enshrining exiling liquefying unexciting describing declining gratifying modifying presiding terrifying clarifying justifying qualifying replying unifying magnifying reclining simplifying stereotyping subscribing testifying disliking diversifying glorifying notifying prophesying ratifying sanctifying decrying inscribing intertwining mystifying nullifying objectifying stupefying subdividing uninspiring fructifying nonbinding personifying ramifying recombining typifying unedifying vilifying identifying satisfying prescribing intensifying purifying amplifying fortifying mortifying quantifying redefining transcribing circumscribing electrifying emulsifying redesigning solidifying stultifying proscribing multiplying exemplifying unsatisfying beautifying disqualifying putrefying indemnifying oversimplifying