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