Here's what rhymes with theologising.
teasing appeasing pleasing seizing wheezing breezing freezing realising sneezing unpleasing apologising energising eulogising analogising organising squeezing utilising moralising idealising localising sterilising unfreezing fraternising legalising refreezing subfreezing vitalising immunising mythologising tyrannising urbanising idolising alkalising anthologising routinising stylising recognising emphasising displeasing civilising mobilising modernising specialising centralising equalising fertilising neutralising reorganising socialising symbolising globalising humanising liberalising normalising synthesising visualising brutalising finalising formalising penalising fantasising mechanising solemnising vulcanising channelising feminising signalising verbalising vocalising volatilising federalising pluralising serialising vandalising fossilising nasalising novelising palatalising stabilising demoralising generalising rationalising scrutinising tantalising monopolising nationalising actualising dehumanising evangelising galvanising materialising naturalising revitalising canalising hypothesising immobilising immortalising metabolising personalising radicalising scandalising trivialising commercialising initialising memorialising nonfreezing womanising cannibalising fictionalising marbleizing westernising capitalising decentralising disorganising externalising homogenising internalising marginalising criminalising attitudinising demobilising depersonalising overemphasising devitalising editorialising metastasising emotionalising hospitalising destabilising industrialising universalising denationalising professionalising sensationalising decriminalising overgeneralising recapitalising pedestrianising conceptualising individualising intellectualising sentimentalising photosynthesising conventionalising institutionalising contextualising internationalising departmentalising compartmentalising Words that almost rhyme with theologising
achieving piecing teething beefing peeving leaving receiving breathing weaving ceasing heaving leasing briefing seething sheathing thieving leafing wreathing phishing reefing riving bereaving reeving vicing leashing iodising sheaving believing perceiving releasing relieving deceiving grieving policing retrieving unceasing cleaving creasing unleashing greasing fleecing anodising subleasing deceasing reprieving aggrieving decreasing conceiving debriefing unbelieving bequeathing underachieving undeceiving unsheathing overachieving rhapsodising surceasing increasing interweaving interleaving predeceasing disbelieving preconceiving misconceiving being teaching dealing appealing beating cheating peering beaming peeling peeping teeming deeming jeering peaking beading pealing peeking teaming beaching beeping peeing cheeping deeding teeing cheeking piquing beaning geeing pieing feeling meaning leading meeting speaking hearing keeping reaching seeing seeking bleeding feeding healing heating preaching treating breeding ceiling leaning repeating seeming dreaming kneeling needing pleading stealing weeping annealing leaping redeeming sealing seating speeding steaming bleaching fatiguing leaching leaking reaping reeling seeding weaning weeding wheeling ceding heaping heeding keying kneading reeking repealing seeping sheeting breaching steeping unappealing wreaking beetling esteeming heeling keening preening reaming tweaking untying leeching seaming steeling chinning reteaching weening bleeping keeling leaguing perilling spiting treeing hieing kneeing retying uprearing weaseling spieling tweeting alibiing weeing proceeding sleeping cleaning competing revealing sweeping yielding agreeing creeping greeting streaming defeating fleeing fleeting freeing gleaming receding retreating shielding besieging creaking deleting endearing feasting machining scheming seedling shrieking skiing sneaking wielding beseeching demeaning impeding rereading unfeeling unmeaning unreasoning acceding careening critiquing defiling fielding gleaning greening imbibing needling rehearing reheating reviling streaking unseeing weakling congealing creaming freaking impeaching strewing striping wheedling reseeding unseating beseeming faceting relining resealing unsealing guillotining queening refiling sleeting unreeling chivvying skying sleeking valeting chivying mitring rosining preceding completing exceeding screening succeeding intriguing screaming concealing guaranteeing conceding overseeing secreting unyielding convening depleting entreating inbreeding overeating overheating overweening screeching sightseeing squeaking squealing unvarying decreeing overhearing overreaching preheating seceding bespeaking calcining maltreating overfeeding stampeding imperilling refereeing underfeeding crisping sidelining leafleting pinwheeling pureeing reburying receipting emceeing hosteling misspeaking restring misdealing chagrining intervening misleading foreseeing misreading superseding interbreeding safekeeping concreting crossbreeding interceding supervening farseeing mistreating quarantining reconvening cartwheeling nonspeaking oversleeping phantasying squeegeeing bestrewing nonyielding obsoleting disesteeming disagreeing excreting inveigling noncompeting trampolining calcimining garnisheeing fricasseeing silkscreening