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