Egberta rhymes with:
elberta, engelberta, gilberta, huberta, norberta, thorberta, caserta, elberta, engelberta, gilberta, huberta, merta, norberta, ruperta, thorberta
Egberta sounds like:
eckford, egbert, espirito, espiritu, esprit, exasperate, exasperated, expert, expired, export, exported