This is perhaps in part due to my pedantry, and inpart due to advancing age
I would think 25% if you wiki the percentage you might get the answer.
Answer:
Good, Delicious, Smart, Talented, Dazzling
Explanation:
Adjectives usually add or describe a noun coming along with it. I assume word chain means the last letter of a word being the first letter of the next word, and so on.
