Zadoc rhymes with:
zadok, ladakh, zadok, baldock, bolduc, braddock, caddock, chaddock, craddock, cradock, fedak, gladdock, haddock, hajduk, hayduk, hodak, hudak, hudock, hydock, idec, ladakh, maddock, madoc, madock, paddack, paddock, piddock, reddoch, riddock, rodak, ruddock, sajdak, shaddock, shadduck, zadok
Zadoc sounds like:
zadok, zaitech, zaitz, zawadzki, zawistowski, zedekiah, zeitz, zidek, zietz, zitek, zito's, zodiac, zotos, zydeco