Sirkin rhymes with:
cirkin, cirkin, clerkin, durkin, gerkin, gurkin, merkin, mirkin, perkin, peterkin
Sirkin sounds like:
saraceni, saraceno, saracino, sarasin, sarazen, sarazin, sarcasm, sarcoma, sargen, sarkisian, sarkissian, sarokin, sarrazin, schwarzman, scorsone, scroggin, scrogham, searson, shearson, sierracin, sirignano, sorgen, sorghum, sorkin, sugarcane, surgeon