How to spell ONCUS correctly?

If you meant to type "oncus" but realized it was a misspelling, here are some possible correct suggestions: "onus" (meaning burden or responsibility), "once" (referring to a single time), "ounce" (a unit of weight) or "uncus" (a protrusion on a plant or an anatomical structure). Double-checking the intended word can prevent confusion in conveying your message accurately.