Crossword clues for the word: BOPP The word BOPP has appeared as an answer to at least 11 crossword clues on different crossword puzzles. Crossword clues for BOPP Showing 1 to 11 of 11 results Clue(s) 1995 comet observer 1995 comet spotter Thomas Astronomer Thomas for whom a comet is named Comet co-finder with Hale Comet cofounder of 1995 Comet Hale-___ Hale- — (comet) Hale-___ (comet seen in 1997) Hale's comet co-finder Half a comet's name Thomas —, amateur astronomer; co-discoverer with Alan Hale of a comet in 1995