Here's how the table can be filled with words related to material, pattern, and shape:
| A (Category) | B (Words) |
|---|---|
| Shape | round, square, rectangular, oval |
| Pattern | checked, polka-dot, striped, plain |
| Material | paper, wooden, plastic, metal, silver, leather, woollen, cotton, velvet |
Note: The categories A and B are filled based on the provided examples. The task asks to put headings 'material', 'pattern', and 'shape' into the table, implying these should be the categories. The words in column B are examples that fit into these categories.