The term 'prefix with -zoic' refers to a group of words that all have the same prefix, '-zoic, ' which means 'belonging to a certain period of time.' The crossword solutions for this term are meta (4 letters), ENTO (4 letters), paleo (5 letters), ceno (4 letters), and meso (4 letters). Meta-zoic refers to a period of time after the current era, ENTO-zoic refers to a period of time before the current era, paleo-zoic refers to a period of time before the Mesozoic era, ceno-zoic refers to a period of time during the Mesozoic era, and meso-zoic refers to a period of time during the Mesozoic era.