Mammograms rhymes with:
micrograms, diagrams, electrocardiograms, histograms, holograms, kilograms, logograms, mailgrams, micrograms, milligrams, polygram's, program's, programs, programs', reprograms, sonograms, telegrams
Mammograms sounds like:
maccormack, majoring, mascarenas, massacring, mccormac, mccormack, mccormick, mccormick's, mckrinkowski, measuring, micromanage, micromanages, micron's, micronesia, micronic, micronics, microns, migraines, missourians, mongering, mushrooming, mushrooms