Crossword clues for the word: OSC The word OSC has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for OSC Showing 1 to 3 of 3 results Clue(s) Levant's first name: Abbr. Org. headed by Carolyn Lerner (hidden in PROBOSCIS) Vibrate: Abbr.