Or search: load, ware, lading, freight, loading, shipment, consignment, merchandise
2 Syllables: SU
Arno, aro, Barlow, borrow, cargoes, Carlo, Caro, charcoal, largo, Marco, morrow, sorrow
3 Syllables: USU
embargo, Leonardo, Ricardo, tomorrow, tomorrow's

Found 17 words across 2 groupings. Skipped 4 excess words of a similar stem.