Sferra rhymes with:
farah, farrah, fera, ferra, acerra, aguilera, altera, asamera, avera, barbera, bardera, barrera, basara, beara, becerra, bera, berra, bonasera, bopera, butera, cabrera, calcaterra, caldeira, caldera, canberra, canterra, cara, carreira, carrera, cartera, casera, cera, cerra, cervera, chimera, correira, costeira, darragh, deherrera, devera, elvera, emera, enterra, era, erra, escalera, farah, farrah, fera, ferra, ferrera, fichera, figueira, financiera, fodera, frontera, gera, guayabera, guerra, guerrera, guidera, hara, herrera, hespera, higuera, imcera, inserra, kara, kera, kundera, kyocera, labarbera, lallera, leora, lepera, luera, macera, madera, mancera, mangueira, mascara, matera, mattera, mezera, minera, moreira, morera, morjera, mosquera, naira, najera, neira, nicotera, nocera, nogueira, noguera, o'hara, ohara, olivera, olvera, oseguera, para, patera, pereira, perera, pereyra, perreira, portera, primavera, privitera, prospera, provera, ranchera, ribera, rivera, riviera, sahara, sara, sarah, scalera, sequeira, serra, severa, sierra, silveira, silvera, spera, sutera, svizzera, tabacalera, talavera, tara, tavera, teixeira, tenera, terra, terre, texeira, thera, tigera, valera, vaquera, vera, vespera, vieira, vieyra, vinciguerra, xaviera, zera
Sferra sounds like:
saber, sabir, sabra, sabre, sabry, safari, safer, saffer, saffir, safier, safir, safire, safra, saphira, sapiro, sapper, sapphire, sapporo, sauber, savary, saver, savery, savier, savior, savir, savor, savory, savr, sbarro, schaber, schaefer, schaeffer, schafer, schaffer, schaper, schapiro, scheffer, scheiber, scheper, schieber, schiefer, schieffer, schiffbauer, schiffer, schipper, schober, schopfer, scooper, scupper, seaberry, seabury, seafarer, seapower, seaver, seber, sebree, seeber, seehafer, seever, seiber, seifer, sever, severa, severe, severer, sevier, shaber, shaefer, shaeffer, shafer, shaffer, shakespeare, shapero, shapira, shapiro, shaver, shawver, sheaffer, sheffer, shepper, shiffer, shipper, shiver, shober, shopper, shover, shufro, siberia, sieber, siever, siver, skipper, skiver, sober, sobibor, sofaer, sofer, soffer, soifer, soiffer, soper, sopher, spahr, spar, spare, sparr, sparrow, spaur, spear, speare, speer, spehar, speier, speir, spera, spero, sperry, speyer, sphar, sphere, spier, spira, spire, spiro, spoarer, spohr, spoor, spore, sporer, sporrer, spray, sprayer, spree, sprehe, sprow, spry, spur, spurr, spurrier, subaru, suber, subpar, suffer, sufferer, super, superhero, superior, supper, supra, svoray, sweeper, sypher