Tear index card in half and write 1 word on each half index card. Color code the words by their POS. If the word has more than one POS, write that word on the same card in the different colors.
EX: designate (v.) designate (adj.) (should be on the same card) on the full index card, write the definition on one side and the synomyms and antonyms on the other side.
We are going to be playing memory match with the cards as the children are finishing their work and waiting for others to finish.