1. The word with a different stressed syllable is **candy**. The stress for "parade," "special," and "sometimes" is on the second syllable, while "candy" is stressed on the first syllable.

2. The word with a different stressed syllable is **decorate**. In "decorate," the stress is on the first syllable, while in "festival," "performance," and "celebrate," the stress is on the second syllable.