Buttram rhymes with:
bartram, beltram, centram, anagram, barthram, bartram, beltram, cablegram, centigram, centram, coram, diagram, diaphragm, electrocardiogram, engram, epigram, histogram, hologram, kilogram, logogram, mailgram, mammogram, microgram, milgram, milligram, monogram, pegram, polygram, program, programme, reprogram, sonogram, telegram, tungsram, wolfgram, wolfram
Buttram sounds like:
bathroom, batterman, bedroom, biderman, biederman, biedermann, bitterman, bittermann, buitron, buttrum