Or search: nest, tent, dwell, lodge, shack, encamp, infest, invade, reside, tenant, bivouac, neighbor, populate, neighbour, domiciliate
3 Syllables: SUU
averaging, banishing, damaging, packaging, ravaging, ravishing, trafficking, vanishing
4 Syllables: USUU
establishing, examining, imaginings

Found 11 words across 2 groupings.