Lumsden rhymes with:
ramsden, baisden, basden, elsdon, housden, marsden, marsdon, masden, ramsden, risden, risdon, wasden
Lumsden sounds like:
lamston, langdon, langston, langton, lansdown, lansdowne, lanston, lengthen, lenington, limestone, loewenstein, longden, longtime, longtin, longton, lowenstein, lunchtime