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