Insurer's rhymes with:
insurers, insurers', reinsurers, insurers, insurers', reinsurers, insurers, insurers', reinsurers, insurers, insurers', juror's, jurors, jurors', reinsurers
Insurer's sounds like:
imageries, inaccuracies, inaccuracy, incisors, increase, increases, incurs, ingrassia, injures, injuries, injurious, inquires, inquiries, insurers, insurers', insures, ionizers