Cervenka rhymes with:
banca, bianca, blanca, bojenka, branca, casablanca, conca, czerwonka, danca, franca, glinka, golonka, inca, janca, janka, kunka, labianca, lanka, manka, martinka, maslanka, mediobanca, menka, minnetonka, pianka, pivonka, plonka, radinka, salamanca, sanka, shonka, sri-lanka, taganka, tonka, trinka, trnka, villafranca, vinca, zanca, zelenka, zelinka
Cervenka sounds like:
caravans, carbonize, carbons, carpencic, carpencic's, carping, carving, carvings, cherrapunji, chervenak, chirping, chriboniko, chriboniko's, corpening, craven's, cravens, craving, cravings, creepiness, creeping, cribbing, cropping, curbing, curving