Nanking rhymes with:
banking, blanking, clanking, cranking, flanking, franking, nonbanking, planking, ranking, spanking, tanking, thanking, yanking
Nanking sounds like:
nagging, nakanishi, nakasone's, nanchang, nanjing, nasons, new-mexicans, niceness, nickens, nicknames, nissan's, nissans, nixon's, nixons, niznik, non-nonsense, noneconomic, nonsense, nosiness, nosing, nuisance, nuisances, nunsense