Gamper rhymes with:
camper, damper, hamper, kamper, pamper, samper, scamper, stamper, tamper, bumper, burkemper, camper, damper, distemper, dumper, hamper, jumper, kamper, kemper, lumper, mumper, pamper, pomper, samper, scamper, shrimper, simper, smokejumper, stamper, stemper, stumper, swamper, tamper, temper, thumper, tremper, whimper
Gamper sounds like:
gamber, gambro, gennifer, giambra, ginevra, gombar, gunfire, gymboree