Gilberta rhymes with:
elberta, engelberta, egberta, elberta, engelberta, huberta, norberta, thorberta, caserta, egberta, elberta, engelberta, huberta, merta, norberta, ruperta, thorberta
Gilberta sounds like:
galbraith, galbreath, galford, gelbard, gelbart, gilbert, gilberte, gilberti, gilberto, gilbreath, gilbreth, gilbride, gilford, guilbert, guilford, gulfport, gulliford