Answer:
20 words starting with most ex: (most beautiful)
Most reliable
Most expensive
Most elegant
Most exceptional
Most positive
Most adept
Most delightful
Most Favorable
Most Mischievous
Most impressive
Most articulate
Most breathtaking
Most majestic
Most Astonishing
Most trustworthy
Most offensive
Most Presumptous
Most fanciful
Most whimsical
Most unique
Hope this helps :))