ap word family picture booklet. Word families are groups of words that have a common pattern in them. In _at word family “ap” is the main sound. They are a groups of letters with the same ending, starting or middle sound . In this worksheet kids will learn to make a booklet of words with along with their pictures with _ap sound. This will help kids to recollect and memorize the _ap words. It will also help them to understand the words better and use them correctly in sentences later.