Tartan rhymes with:
barten, barton, carton, darton, garten, garton, harten, harton, hearten, marten, martin, marton, mccartan, mccarten, mccartin, mcmartin, parten, parton, smarten, spartan
Tartan sounds like:
tarrytown, teradyne, tetterton, thirteen, thorton, threaten, tradition, trautman, trautmann, trautwein, tretinoin, trettin, tritium, triton, trodden, trotman, trotten, troutman, troutwine, turton