The word that is different in each group is:
1. Ice cream (It's a dessert, the others are ingredients or staples).
2. Salt and pepper (These are seasonings, the others are main food items).
3. Lemonade (It's a drink, the others are solid foods).
4. Strawberry (This is a fruit, the others are dairy/processed items).
Categories:
Answer: The different words are ice cream, salt and pepper, lemonade, and strawberry.