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