Employees' rhymes with:
employee's, employees, employee's, employees, employee's, employees, employee's, employees, employee's, employees
Employees' sounds like:
embellish, embellishes, employee's, employees, employs, enables, ennobles
employee's, employees, employee's, employees, employee's, employees, employee's, employees, employee's, employees
embellish, embellishes, employee's, employees, employs, enables, ennobles