All of the words included in the app are nouns.
The basic version includes 90 Basic Stage images: 6 Apples, 6 Cookies, 6 Cats, 6 Birds, 6 Shoes, 6 Shirts, 6 Airplanes, 6 Cars, 6 Chairs, 6 Beds, 6 Balls, 6 Bicycles, 6 Flowers, 6 Cups, and 6 Spoons. With these images, you can do all of the Identical Matching and the Similar Matching activities, and you can do the remaining activities (Receptive Labeling, Expressive Labeling, Picture Identification, and Sorting) with 15 additional words (90 total images).
The Pro Version contains over 600 words from the categories of Animals, Foods, Transportation, Furniture, Clothing, Toys, Everyday Objects, Insects, Sea Life, Musical Instruments, Tools, Body Parts, Safety Sign, Shapes and Colors. The PRO version also gives you the ability to create your own flashcards for use in the activities.