Groninger rhymes with:
cloninger, moninger, benninger, berninger, breininger, breuninger, cloninger, deininger, denninger, greninger, heininger, heninger, henninger, jenninger, kieninger, leininger, lininger, meininger, menninger, mininger, moninger, nenninger, peninger, penninger, pfenninger, reininger, renninger, rininger, spanninger, steininger, wanninger, weininger, weninger, wenninger, wineinger, wininger
Groninger sounds like:
garinger, garringer, gehringer, geringer, gerringer, grainger, grancare, granger, greninger