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