Rumson rhymes with:
abrahamsen, abrahamson, abramson, adamson, bramson, clemson, damson, flamson, hamson, harmsen, hermsen, jameson, lambson, lamson, malcolmson, malcomson, remsen, remson, rimson, samson, siemsen, simson, stimson, thomsen, thomson, timson, tomson, wilhelmsen, willemsen, williamsen, williamson
Rumson sounds like:
ramaswami, rangoon, rankin, rankine, ransom, ransome, ranson, ransone, remission, remsen, remson, rencen, renison, renken, rimson, rincon, ringeisen, ringen, ronson