onc/o, carcin/o

onc/o and carcin/o mean tumor or cancer (Greek).

"ON-koh / car-SIN-oh." Coach: "Onc is the cancer specialty; carcin points more directly to cancer."

Examples: oncology, oncologist, oncologic, oncogene, oncogenesis.

Also: carcinoma, carcinogen, carcinogenic, adenocarcinoma, carcinomatosis.