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