Martinis rhymes with:
antonini's, baldini's, bellini's, bikinis, cabrini's, cassini's, furini's, gardini's, houdini's, lamborghini's, lamborghinis, mussolini's, toscanini's, wahines
Martinis sounds like:
maertens, maradona's, maradonna's, marathons, marauding, maritimes, martens, martens's, martians, martin's, martinec, martinek, martines, martinez, martinez's, marting, martinique, martinka, martinko, martins, martins's, mehrtens, meridian's, meriting, mertens, mertins, mortems, morton's