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