Crossword clues for the word: PRI The word PRI has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for PRI Showing 1 to 8 of 8 results Clue(s) ''Science Friday'' producer "Opening for mary, mate and sons" Longtime Mex. ruling party Mex. ruling party from 1929 to 2000 Mexican political party Preliminary vote: Abbr. Sawlike: Comb. form Vicente Fox ended their 71-year reign in Mexico