Sorghum rhymes with:
algom, amalgam, bergum, bingham, brautigam, brigham, brougham, dingham, effingham, eggum, fulgham, fulghum, gingham, gmbh, hingham, ingham, mangham, mangum, rafelghem, swiggum, whigham
Sorghum sounds like:
saraceni, saraceno, saracino, sarasin, sarazen, sarazin, sarcasm, sarcoma, sargen, sarkisian, sarkissian, sarokin, sarrazin, schwarzman, scorsone, scroggin, scrogham, searson, shearson, sierracin, sirignano, sirkin, sorgen, sorkin, sugarcane, surgeon