Nakanishi rhymes with:
konishi, nishi, onishi, kishi, konishi, mitsubishi, nishi, oishi, onishi, shiraishi, vichy
Nakanishi sounds like:
nagging, nakasone's, nanchang, nanjing, nanking, nasons, new-mexicans, niceness, nickens, nicknames, nissan's, nissans, nixon's, nixons, niznik, non-nonsense, noneconomic, nonsense, nosiness, nosing, nuisance, nuisances, nunsense