Executions rhymes with:
prosecution's, prosecutions, electrocutions, elocutions, prosecution's, prosecutions, electrocutions, elocutions, prosecution's, prosecutions
Executions sounds like:
ecosystems, eighteen's, eighteens, ejecting, equating, equations, esteem's, estonians, exacting, exactions, exceeding, exciting, executing, exhausting, existence, existing, exiting, extinguish, exuding