Reassembly rhymes with:
assembly, subassembly, assembly, subassembly, assembly, subassembly, trembley, trembly, wembley, assembly, bumbly, chamblee, chumbley, crumbley, hambley, hambly, humbly, kimbley, nimbly, rumbley, shambley, subassembly, trembley, trembly, trombley, trombly, twombly, wembley, wimbley
Reassembly sounds like:
reasonable, reasonably, reassemble, resemble