Here's what rhymes with heteroaffection.
section affection perfection direction election infection selection correction objection intersection dissection erection resection convection defection ejection imperfection confection bisection refection trisection collection connection protection reflection detection injection inspection rejection connexion projection resurrection complexion deflection insurrection subjection inflection dejection disaffection reflexion abjection inflexion interjection recollection introspection predilection disinfection interconnection reelection circumspection indirection redirection reinfection retrospection genuflection disconnection misdirection Words that almost rhyme with heteroaffection
session cession hessian seven heaven mention perception possession tension accession pension obsession reckon ascension headman felon headmen heron pectin sexton beckon chevron freshen gentian hempen vegan hellion attention conception exception profession aggression chairman convention invention lesson prevention reception succession weapon concession confession oppression procession threaten deception inception lemon lessen recession resin secession tendon dissension freshman intercession dentin leaden leaven melon declension henchmen interception deaden henchman lepton destine penman pennon redden bellman deafen headsman helpline question depression extension intervention dimension eleven apprehension brethren contention hypertension progression regression retention suppression suspension detention exemption digression distension lengthen pepsin pretension abstention dispossession penguin stepson repossession reprehension selectman subvention kelvin pressman supervention gremlin nelson expression impression intention suggestion compression discretion rebellion intestine redemption repression strengthen congestion digestion ingestion transgression condescension distention preemption retrogression circumvention concretion preconception reinvention prepossession indention comprehension contraception misconception decompression inattention indigestion indiscretion misapprehension watermelon nonaggression contravention nonintervention rhododendron autosuggestion incomprehension delicatessen