| array(noun, mass, lump, accumulation, clump) |
| barricade(noun, obstruction, stoppage, barrier, blockade) |
| batch(noun, mass, lump, accumulation, clump) |
| battery(noun, mass, lump, accumulation, clump) |
| block |
| blockage(noun, mass, lump, accumulation, clump) |
| body(noun, mass, lump, accumulation, clump) |
| bottleneck |
| bulk(noun, mass, lump, accumulation, clump) |
| bunch(noun, mass, lump, accumulation, clump) |
| bundle(noun, mass, lump, accumulation, clump) |
| choking |
| clabber |
| clotting(noun, mass, lump, accumulation, clump) |
| clump(noun, mass, lump, accumulation, blockage) |
| cluster(noun, mass, lump, accumulation, clump) |
| coagulate |
| coalescence(noun, mass, lump, accumulation, clump) |
| congestion |
| conglutination(noun, mass, lump, accumulation, clump) |