Imperfections rhymes with:
affections, confections, defections, infections, affections, collections, complexions, confections, connections, corrections, defections, directions, dissections, election's, elections, erections, infections, inflections, injections, inspections, interconnections, interjections, intersections, objection's, objections, predilections, projections, protections, recollections, reflections, rejections, section's, sections, selections