The other one is a crossword puzzle that I created using the website ArmoredPenguin.com. They have a nice, free crossword puzzle generator. While the answers to the crossword clues are all likely to be words that elementary-aged kids know and have heard within the context of their own families, the clues will likely really make them think, and will hopefully help them to understand these relationships in a larger context.
family_vocab_crossword_key.pdf |