Twombly rhymes with:
assembly, bumbly, chamblee, chumbley, crumbley, hambley, hambly, humbly, kimbley, nimbly, reassembly, rumbley, shambley, subassembly, trembley, trembly, trombley, trombly, wembley, wimbley
Twombly sounds like:
tempel, temple, tenable, thimble, tumble, tunable, tuneful