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