Eastman rhymes with:
axtman, chestman, chrestman, christman, christmann, dustman, forstmann, gerstman, horstman, horstmann, justman, ostman, postman, westman
Eastman sounds like:
eastham, eastin, easton, echidna, eckstein, ecosystem, ecton, eighteen, ejection, equation, equitation, estan, esteem, estonia, estonian, exaction, excitation, execution, executone, exhaustion, exton, eyestone