Sargen rhymes with:
bargain, dargan, gargan, hargan, jargon, largen, vonbargen, bargain, borgen, dargan, dorgan, gargan, goergen, gorgon, gorgone, hargan, horgan, jargon, kollmorgen, largen, morgan, morgen, morgun, organ, sorgen, steinbergen, vonbargen
Sargen sounds like:
saraceni, saraceno, saracino, sarasin, sarazen, sarazin, sarcasm, sarcoma, sarkisian, sarkissian, sarokin, sarrazin, schwarzman, scorsone, scroggin, scrogham, searson, shearson, sierracin, sirignano, sirkin, sorgen, sorghum, sorkin, sugarcane, surgeon