Objection's rhymes with:
objections, objections, injections, interjections, objections, projections, rejections, affections, collections, complexions, confections, connections, corrections, defections, directions, dissections, election's, elections, erections, imperfections, infections, inflections, injections, inspections, interconnections, interjections, intersections, objections, predilections, projections, protections, recollections, reflections, rejections, section's, sections, selections
Objection's sounds like:
objecting, objections, obstinacy, officiating, offsetting, opposition's, oppositions