Crossword clues for the word: STC The word STC has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for STC Showing 1 to 3 of 3 results Clue(s) """The Rime of the Ancient Mariner"" author's monogram" Monogram of Christabel's creator Where teachers are taught: Abbr.