Mastrich's rhymes with:
ostriches, ostriches, gingrich's, gingriches, ostriches, gingrich's, gingriches, greenwich's, kasich's, milosevic's, mladic's, ostriches, povich's, sandwiches
Mastrich's sounds like:
master's, masters, masters', masterwork, masterworks, mastrich, mcdaris, mckitrick, mckittrick, mcwaters, mcwatters, megastores, meisters, mesothorax, minister's, ministers, ministers', ministries, ministry's, minstar's, misters, mistress, mistresses, mixtures, monasteries, monsters, monstrous, moonstruck, mostar's, musketeers, musters, mysteries, mysterious