MyVocabulary.com offers 14 PREFIX puzzles with the grade level of each word marked to the right of the word beginning with a prefix. Use eight grade level words for each prefix. "AB-ABS" prefix words: Aberration - HS, Abdicate - HS, Abject - 8, Absence - 6, Absolute - 6, Abstinence - HS, Abstract - 6, Abundance - 7