Jumper rhymes with:
bumper, dumper, lumper, mumper, stumper, thumper, bumper, burkemper, camper, damper, distemper, dumper, gamper, hamper, kamper, kemper, lumper, mumper, pamper, pomper, samper, scamper, shrimper, simper, smokejumper, stamper, stemper, stumper, swamper, tamper, temper, thumper, tremper, whimper
Jumper sounds like:
jambor, janvier, jeanpierre, jennifer, juniper