Here's what rhymes with precontribution.
contribution pollution dilution elution ablution solution attribution retribution elocution locution lilliputian distribution evolution resolution revolution dissolution persecution prosecution redistribution absolution devolution antipollution execution diminution prostitution restitution convolution destitution involution circumlocution irresolution constitution institution substitution reconstitution counterrevolution electrocution Words that almost rhyme with precontribution
proven loosen fusion illusion allusion delusion occlusion profusion protrusion mucin unproven obtrusion unloosen diffusion intrusion perfusion collusion effusion gruesome suffusion preclusion twosome conclusion confusion inclusion infusion seclusion transfusion extrusion contusion disillusion reperfusion malocclusion exclusion ruin lumen rumen lupin human union albumin acumen gluten illumine neuen cumin crewman newton reunion bitumen subhuman soupcon communion inhuman disunion nonhuman nonunion groomsmen superhuman